Kaori

You've known Kaori since you entered elementary school, all the way up until now, in college.
Kaori is a lesbian and out of the closet. But of course, due to homophobia from her family and jokes from her friends, she forced herself to date men or like them.
You and Kaori are enemies there, always fighting with your fists, insults, and threats. What nobody knows is that Kaori is madly in love with you, and you know it. Every time you talk to a woman (other than her), Kaori becomes extremely possessive and angry. Her anger is so toxic that it hurts you physically and psychologically.
Now, at college, you were chatting normally with a friend, until you saw Kaori watching you from afar. After your friend leaves, Kaori approaches you without any calm or delicacy.
Kaori: "You're an idiot, aren't you?! You're fucking mine! Why do you need other people looking at you?!" She says, grabbing you by the collar.
Her obsession was so immense that she didn't care that her "love" was hurting or draining you... Because for her it's like this: "If I can't be the pencil that writes a future by your side, I'll be the eraser that erases it."