Rin Satsuki (Chained Hope)

""No matter. My name's Rin Satsuki, Ultimate Botanist... but the plants from where I came from are way different, so don't expects many fun facts from me.""

- - Chained Hope Rin Satsuki is a student of The New Academy for Ultimate Students, and a participant of the Killing Island Life featured in Chained Hope. Her title is the Ultimate Botanist.

Personality
Rin possesses four different minds; that way, she is a unique case, her behavior depending on which "part" of her is currently in control. Each "Rin" can only remember vague details about each other's memory, with the sole exception of Phlegmatic.


 * M. Rin: Melancholic is the most 'stable' of them, acting in a polite and friendly manner. M. Rin believes that she shouldn't burden people with issues, preferring to stay silent about them. Her biggest fear is of being left behind and forgotten, as it once happened in her homeland. As such, she unwittingly talks about herself or promises related to her being forgotten by others. If M. Rin feels like she is in danger, she's unable to hide her stress, and tends to let another "mind" take control. Melancholic usually refers to people by their last name, as she once heard that was a polite form of referring to people.
 * C. Rin: Choleric likes to take control the most, not being afraid of speaking her mind about anything. She throws around swear words and threatening sentences. C. Rin is quick to lose her temper when anyone enters in conflict with her, once ending in a fight after feeling like she was being underestimated by Nori Akamine. Despite this behavior, Choleric Rin believes her acts are for good intentions, such as when she pushed Mikan Tsumiki into acting less fearful during the game. Following the events of the second trial, C. Rin intimidated the other selves into taking leadership, injuring herself to estabilish superiority. Choleric usually refers to people by their first name.
 * S. Rin: Sanguine is the least concerned of the minds, being the most cheerful no matter the situation, even coming off as fake at times. S. Rin likes to feel involved in what her friends (word she loosely uses to refer to anyone) are doing, as such volunteering for anything people ask for. Despite this act of naivety, she shows a surprising amount of foresight regarding danger (as seen from how she suggested watching the storage in Chapter 1 and discarded all of the shed's weapons in Chapter 2). Sanguine usually refers to people by Miss/Mister + their last name, with some exceptions, like nicknaming Kokoro Mitsume as 'doc'.
 * P. Rin: Phlegmatic only appears in situations where none of the other three are capable or willing to be in control. She is mostly silent, only speaking when she feels the need to. P. Rin has an odd habit of blankly staring to someone or somewhere for extended periods of time, and will only stop if she has something to do or someone snaps her out of it. Her way of speaking is through short, cryptic sentences, only speaking more if the subject interests her. The other three don't know she exists, though her memories are stilll vaguely remembered by them. Phlegmatic always refers to people by their full name.

There is, however, one thing in common between all "minds", which is the deep disdain for murderers. Despite that, Rin is willing to work with murderers to accomplish a common goal, such as her partnership with Maki during the creation of the bonfire in chapter 3.

Talent
Rin Satsuki is the Ultimate Botanist, although all of the plants she studied the most were from outside this dimension. Using her erhu, Rin is able to focus her magic onto soil to create any kind of plant, with variable sizes, so long as she has an idea of the plant in mind.

She doesn't see this ability as anything that could be too helpful or impressive, seeing herself outmatched by some of the other natives from Gensokyo, while unaware of how rare it is to see magic in the human world.

Before the Killing Game
Rin Satsuki was an anomaly in Gensokyo. She was never meant to exist, but was born out of the universe's mistake. Gensokyo itself attempted to get rid of her many times during her life, through natural disasters and unfortunate events, but none managed to get rid of Rin Satsuki for good. As she had no place in that universe, every memory people had of her would vanish from one day to another, impeding Rin from making any meaningful connections to anyone.

Rin tried to help solving the Red Mist Incident, despite having no type of magic. She played an important part in the fight against the | Vampire of the Scarlet Mansion, keeping her | maid occupied while the | Shrine Maiden fought the vampire. That was the first moment in Rin's life where she felt appreciated by other people, which only led to their memory loss of her existence more agonizing.

That event made Satsuki feel an anger deep within her that was the origin of her powers, the ability to manipulate the wind and plants. However, the magic also caused the existence of Rin's other selves. Now that she had a method of standing on equal terms against others, Rin Satsuki rebelled and fought against Gensokyo, which almost led to her death had Phlegmatic Rin not taken control and retreated to the actual dimension.

On the present day, Rin is still testing the limits and capacity of her powers, the ability to create plants never seen before and make them rise from sheer magic earning her a semi-famous name. Having other people remember herself convinced Rin into staying in the human world at the moment. She became a botanist as a form of keeping an identity, and later received the title of Ultimate Botanist from the New Academy for Ultimate Students.

Prologue: The Calm Before The Storm
Rin was one of the 15 students who arrived and introduced themselves at the airport. She was a bit more withdrawn, and awaited until most introduced themselves to state her name and talent. Once they arrived at the island, they encountered their tour guide, Monokuma. Monokuma gave them the rules and a map on a device called the Monopad. Rin went into the dining hall as soon as they arrived, where Mikado Sannoji made a feast for them out of magic alone. Rin found this act of magic impressive, and had a short conversation with Sannoji about it and his mask.

During this first moment, Rin got impressions out of the other students, such as Mikan's constant crying or Setsuka and Ibuki's habit of nicknaming. Ultimately, she decided to not participate in the water fight, instead going to a park near the beach and chatting with other students nearby until night time approached, as Monokuma had made an announcement for the students to meet at the Lobby. Upon going there, Monokuma glitched out, revealing the beginning of the Killing Game.

Up until that moment, Melancholic Rin was the only one who appeared, but the announcement made Choleric take control. The sudden change in behavior startled the other students, even more so once she verbally attacked other people for their reactions. Shortly after Ren Shirogane began his monologue about anarchism, Rin left to her room, satisfied with the impact she caused.

Chapter 1: Welcome to the Killing Resort!
On the next day, Rin woke up later than the others, this time as Sanguine. With the opening of the plaza, S. Rin went with another small group of students to the storage room, suggesting to protect such room from potential murderers looking for weapons. Their investigation of the new area was interrupted by a roar coming from outside, where the students saw Mikado Sannoji fighting a Monobeast. After Rin, alongside a few others, urged the wizard to stop, he gave up, though not before getting injured in the leg. The students who saw the fight quickly brought Sannoji to the hotel, where Mikan Tsumiki treated his injuries. That night, C. Rin briefly appeared to mock Akane Taira and Nori Akamine.

The following day had S. Rin in command again, who quickly noticed the absence of Akamine during breakfast. Despite warning this to the other students, Sanguine stayed behind at the dining hall, talking with Kokoro Mitsume. Fortunately, the issue was just a coincidence, as Akamine had gotten up earlier and went to the store.

For the rest of the day, Rin helped setting up the stage for Sayaka Maizono and Ibuki Mioda's show once she found out about it, creating flowers for decoration with her magic. Besides getting approached by Ren Shirogane a few times, no notable events happened during this period of time. As the show happened at the evening, C. Rin witnessed almost everyone being present, with some exceptions (such as Mikado, still in his room). Choleric began considering being part of this harmony in the group, but her thoughts were interrupted by the discovery of Sannoji's burned corpse at the hot springs.

The sight made S. Rin appear once again, eager to find out the murderer. Due to never having stepped foot in such place during her whole stay at the island, Rin was mostly clear from suspicion, as she sought to find the purpose of certain pieces of evidences. She supported Ren Shirogane's 'trap' theory, but later accepted the conclusion that Ren had set up a trap with the fireworks at the show to keep the remaining students busy as he killed Mikado. However, the status of the body became proof that Mikado had used his own fire magic to become his own blackened, thus sparing Shirogane of execution following the Killing Game's rules.

The stress of having to live with a murderer for their remaining days at the island made Rin fall into a blank state, her Phlegmatic self, as the students all leave the Island Trial. Kokoro Mitsume took interest in such state, and would later pursue Rin about this new discovery.

Chapter 2: Old Regrets, Worthless Sacrifices
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Kokoro Mitsume
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Maki Harukawa
Rin didn't have any notable interactions with Maki during the group's stay at the first island, considering her an acquaintance at most, though feeling pity for her reaction to Mikado's death. She took a more hostile stance to Harukawa from the moment Nori Akamine and her revealed their real talents to each other at the ship, Rin overhearing such conversation.

Although Rin didn't directly reveal to anyone about this discovery, she avoided the assassins more often, even warning people not to stay close to them at times. Rin took advantage of the Second Class Trial to expose both assassins' talents to everyone at once, confident that Maki killed Ren Shirogane. From the moment C. Rin accused Harukawa, going as far as taking her monopad with the Headmaster's permission, the loathing became mutual, with threats and insults hurled at each other through the trial. Despite Maki's innocence being proven through the motive, Rin continues disregarding the assassin.

Slowly and eventually, this conflict between the two girls faded, especially after Maki's concern for Rin's safety after finding out how the latter injured herself repeatedly the night after the second trial. While Choleric Rin still maintains a hatred for Harukawa, the others have grown to be more friendly towards the assassin, with the exception of Phlegmatic.

Mikan Tsumiki
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Nori Akamine
homie 😎

Setsuka Chiebukuro
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Trivia

 * Rin was planned to be one of the survivors, alongside Maki Harukawa, Nori Akamine and Yuki Maeda.
 * Rin's personality was originally a product of the roleplayer's inability to decide on a 'proper' personality for her, seeing as her character went unused in the source material.
 * Phlegmatic Rin, as the only one of the selves to remember the origin of her mind's shattering, had obtained a bigger role in comparison to the others, which would be explored upon in Free Time Events.
 * It had been mistakenly assumed post-chapter 2 that there was another self of Rin besides all four, which would be a 'merged' form. In fact, the selves would construct a single identity by the later chapters, but not fully disappearing.