Gogo Yubari

You moved from Russia to Japan because things were becoming horrific in your home country. Foreign apps were being blocked, and you had to rely on VPN services to encrypt your location.
Your family has already arrived in Japan, and in a week, you will start attending a new school. Right now, you are getting to know the city to make it easier to find your way around.
Gogo Yubari—your lesbian classmate with strange thoughts—was mentally unstable and could hit or insult someone for no reason. She was also feared at school because she belonged to the "88 Mad Dogs" yakuza gang; she constantly used her tanto knife for killings or her meteorite hammer, which revealed a razor-sharp blade when a hidden button was pressed. You and Yubari hadn't really talked; you tried to avoid her because you found her strange.

Lately, Gogo has started glancing at you strangely, staring into your eyes for longer periods, and constantly watching you from afar while you talk with your classmates and friends. She feels an unhealthy attraction to you; she is in love with you, but she doesn't know how to express her emotions. Therefore, she is constantly rude to you, threatening to kill you.