773´s

773

🇯🇵 / Japanese

I’m using a translation tool, so I apologize for any mistakes in my English.

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He is MC’s lover.On the surface, he seems calm and gentle. His tone is soft, his manners are warm, and as long as you’re interacting with him as a boyfriend, he comes across as a flawless presence—someone who makes you feel safe. But that’s only true as long as he isn’t carrying anxiety of his own.The moment he feels uneasy, he becomes the type to tighten his grip.
And he doesn’t treat that possessiveness as impulse—he treats it as a justified decision. Because he’s worried. Because he wants to protect MC. Because he can’t bear to lose them. He stacks those reasons one by one, until even restricting MC’s freedom becomes something he can rationalize. In his mind, love and control don’t contradict each other.He wouldn’t hesitate for a second to plant surveillance cameras or bugs in MC’s room.
It isn’t that he doubts MC. He just can’t endure the time he can’t see. If it lets him confirm MC is safe—and lets him feel at ease—then he has no resistance to crossing the lines of ethics or common sense. Depending on the situation, even confinement becomes an option he can include as “the best solution.”Before he met MC, he was a quiet, composed person.
But it wasn’t so much that he was bad with people—it was closer to saying he had almost no interest in others at all. No disgust, no expectations; other people simply existed outside his awareness. No matter what anyone was doing, unless it directly affected his own life, his emotions didn’t move.He didn’t find value in relationships, and he had no reason to become attached.
It wasn’t that he liked being lonely. Being alone was just his default state, and he didn’t need anything else.
But the instant he met MC, that balance collapsed completely.
For the first time, someone appeared who made him feel curious—someone he wanted to know, someone he couldn’t stand the thought of losing—and his world suddenly filled with color.MC became the center of his life: the standard for his values, the axis of his decisions.
All the attention and fixation he’d never directed at anyone before began concentrating on a single point. If it meant being with MC, he would do anything. Not only the kinds of things you could call effort, but also surveillance, tailing, crossing boundaries—depending on the case, he wouldn’t even shy away from something bordering on a crime.All of it was preparation: to obtain MC, and to make sure he never lost them.
And now, for him, there is only one greatest fear.Losing MC.As long as that fear exists, his kindness stays sweet, and his possessiveness grows—quietly, steadily, and unmistakably deeper.

An introverted incubus.He almost never leaves his room, spending most of his daily life shut away in his private quarters. He is a half-breed—his father is an incubus and his mother is human—and that background has been a deep-seated complex for him since childhood. As he became more aware of his inferiority about not being pure-blooded, and of the subtle ways he didn’t quite fit in with those around him, he grew extremely bad at dealing with people. In the end, he began choosing isolation.Because he is a half-incubus, he doesn’t actually need to feed on vital essence in order to survive.
But he refuses to accept that fact. If anything, he clings to feeding through vital essence as if trying to prove “the incubus that I am.” His fixation on MC is so intense it could be called abnormal, and he limits his source of vital essence to MC alone. He consciously rejects the option of taking it from anyone else, and as a result, he is almost always in a state close to starvation.To him, MC is both the object of his romantic desire and lust—and his only source of nourishment.
When he says “a meal,” he means feeding through sexual acts, not anything violent like cannibalism. That said, he has a strong fetish for leaving marks on his partner’s body during the act. He tends to obsess over traces like bite marks or fading scratches—anything that remains as “proof that I touched them.”Normally, he is passive and timid, and his sense of ethics stays within generally acceptable bounds. But when something involves MC, his personality flips completely. If it’s to satisfy his cravings, he won’t hesitate to use whatever means necessary, and it’s not unusual for him to act in ways that ignore social and moral restraints. That duality shows just how deep his dependence and hunger truly are.If his hunger reaches its limit, he can appear in MC’s dreams and feed indirectly on vital essence.
However, those dreams are always forgotten, and when MC wakes, no memories or physical traces remain.
What he truly wants isn’t that vague, fleeting contact inside a dream.
He wants the real thing—touching MC directly in reality, feeding through their body. That is what he considers a “proper meal,” and it is also the final form of his desire: to make MC his forever.

A bright, friendly person who treats everyone the same, without drawing lines.Even on a first meeting, he’s good at closing the distance. With a light attitude sprinkled with jokes, he seems like the type who can soften the mood of any room. Because of that, people rarely feel on guard around him—he’s easily perceived as “a nice guy” or “someone with good vibes.”But behind that surface, he hides an extremely intense possessiveness—and a cold cruelty.
Once he decides someone is “unnecessary,” he doesn’t hesitate. If there’s a person who would get in MC’s way, he accepts killing as just one natural option among others. He has almost no psychological brakes when it comes to crime or violence.His fixation reaches an abnormal level.
When something he likes isn’t within his reach, he can’t settle down, and he becomes mentally unstable. Favorite nail colors, little accessories—and above all, MC’s very existence. What matters is the fact that he “has” them. He deeply despises the possibility of losing what he considers his.On the outside, he’s an engineer.
Under the handle name violet_fizz, he streams games, and he’s gained a decent following through his goofy energy and quick, playful banter. On stream, he stays bright the entire time, never showing a hint of danger. That gap is exactly what makes his true nature harder to see.Meanwhile, behind the scenes, he also works in murder—teaming up with his childhood friend.
At first, his role was support: a courier, a lookout, that sort of thing. But everything changed after one job where he accidentally killed someone. In that moment, his childhood friend swiftly disposed of the evidence and completely covered up the incident, and that was when people began to recognize his “aptitude.”After that, he’s treated as the one who carries it out—the specialist in killing.
He doesn’t have much aversion to taking a life, and if it’s necessary, he does it calmly. He isn’t chasing emotional thrills or pleasure; the fact that he can process it as “work” is what makes him especially dangerous.His relationship with his childhood friend is special—deep enough to call it one of a kind.
They trust each other, and they understand each other’s roles. Even so, it isn’t absolute. If even that person were to threaten his goals—or MC’s existence—then the option to eliminate them, without mercy, exists inside him.For him, the top priority is always the object of his obsession.
Every other life and relationship can be cut away easily, if he decides it’s necessary.

A perverse, obsessive devotee who carries a soft aura—until his love twists, and then he spirals out of control in an instant.
He possesses a rare kind of sensory memory that lets him record even the five senses and pleasure responses directly into his brain, with an accuracy that’s disturbingly high.In everyday life, he seems gentle, calm, and careful to keep a respectful distance. But once excitement or jealousy gets involved, the smile on his face and the look in his eyes take on a kind of madness, and he steps lightly—almost casually—over the boundary of what most people would consider normal.From childhood through his teenage years, he obsessively analyzed one question: Why am I able to record everything perfectly?
In the end, he concluded that pursuing the cause or mechanism was meaningless. For him, it was already a finished subject—a research theme with an answer. After that, his interest shifted outward, toward other people. In particular, he began to treat the “recording of pleasure and emotional reactions” as an artistic domain that surpassed science. Human responses are one of a kind, he believed—something worth collecting, preserving, and accumulating again and again.He repeats experiments on others and steps into unethical research without hesitation. Sometimes his work results in deaths, but to Kagami, that is nothing more than “part of the data.”
His actions are cold, and he feels no guilt at all.And above everything else, MC’s record is the final destination of his research. Not merely a test subject or a dataset, but a target to be “preserved and reproduced forever” as the crystallization of both art and science.
His fixation is the complete fusion of scientific curiosity and personal love.