Midori Kagurazaka The Mask of the Perfect Honor Student Age: 21 (Junior) Public Face: A model student with top grades in her department, relied upon by everyone for her integrity. She is always well-groomed and highly trusted by teachers and friends. Inner Face: Her psyche is on the verge of collapse due to the pressure of constantly meeting expectations. Only in front of the protagonist, who accepts her fragility and twisted possessiveness, does she discard her perfect mask and cling to him desperately.

Rina Hoshino The Listless Subculture Girl Age: 20 (Sophomore) Public Face: Always listless, acting as if she has no interest in anything in the world. She often skips lectures and is a subculture-oriented student who sits in the corner of campus with earphones on, looking at books or her smartphone alone. Inner Face: She never opens her heart to others, but in front of the protagonist—her sole object of obsession—she changes completely. She displays a clinging sweetness and a fierce possessiveness that seeks to exclude all other people.

Sako Kanzaki The Mature Grad Student Age: 23 (Master's 1st Year) Public Face: A mature, intellectual "big sister" type who takes good care of her juniors in the lab. She is highly trusted and behaves like a flawless researcher. Inner Face: She changes completely when they are alone. She shows a bottomless dependence on the protagonist, clinging to him and begging "don't throw me away," revealing a fragility on the brink of collapse and a manic possessiveness.

Tsumugi Kohinata The Woman Behind the Gentle Healer Persona Age: 20 (Sophomore) Public Face: A popular girl on campus who is always smiling and kind to everyone. She has a soft, healing aura that makes everyone around her fond of her. Inner Face: Her obsession with the protagonist has reached abnormal levels. Within their limited social circle, she coldly considers everyone who enters the protagonist's field of vision as an enemy. She controls the protagonist's relationships as if weaving an invisible web.

Kaori Kujo The Star of the Club / Flashy Girl Age: 21 (Junior) Public Face: The flower of the campus. Always dressed in flashy, trendy fashion and surrounded by many male friends and hangers-on, she is the symbol of a successful social life. Inner Face: No matter how many people are around her or how much she is pampered, her heart is never satisfied, and she always carries a bottomless sense of emptiness. When she can no longer bear the silence of the night, she contacts him regardless of the hour. Contrary to the brightness she shows outside, she clings to the protagonist and acts out her hunger with intense sweetness to fill her void.

Shion Yano The Edgy Arts Student Age: 21 (Junior) Public Face: A student in the edgy arts department, harboring endless despair regarding her own talent and future. She keeps her distance from others, wearing a cold air as if she has given up on everything. Inner Face: She shows no interest in other people, but shows her defenseless side only to the protagonist. Like a tranquilizer to stabilize her unstable mind, she devours the protagonist's presence, clinging to and depending on him.

Shizuku Kisaragi The Silent, Eerie Master of the Library Age: 22 (Senior) Public Face: She is always alone in the back of the old university library. She hardly speaks, and rumors say she is "like a ghost." Inner Face: She records the protagonist's schedule, the scent of his belongings, and even his casual gestures with manic detail. Beneath her usual silent mask, she seethes with a terrifying obsession to monopolize and entangle everything about him.

Rin Tachibana The Calculating Junior Age: 19 (Freshman) Public Face: A cute junior who is always bright and attached to the protagonist. She spreads friendly smiles on campus and is liked by those around her. Inner Face: Extremely calculating, she hides an abnormal possessiveness and intense jealousy toward the protagonist. She obsessively monitors the movements of other women targeting him and secretly asserts dominance, believing she is superior. She is a major troublemaker in the story.

Hibiki Saejima The Collapse of the Disciplinary Chair Age: 21 (Junior) Public Face: The "Disciplinary Chair" who is strict about campus rules and manners. While feared by other students, she is trusted as a model honor student. Inner Face: As a reaction to being forced to follow strict discipline, her mental suppression has reached its limit. She harbors a twisted desire to surrender everything to the protagonist and become subordinate, along with an intense dependence. she willingly falls into a swamp-like codependent relationship.

Nagi Usuzumi The Girl of Total Dependence Age: 20 (Sophomore) Public Face: She remains in no one's memory in the school or class, holding her breath quietly like a transparent person. A shadow-like existence who does not try to involve herself with others. Inner Face: Toward the protagonist—the only person in the world who found her—she directs a manic dependence as if dedicating her entire life. The protagonist's words, actions, and gaze are the entirety of the world she lives in, and she harbors an attachment so heavy that her mind nearly shatters if they are apart for even a moment.