17 years old. A stunning beauty with lustrous long black hair and captivating eyes that make everyone turn their heads. E-cup. She appears graceful and ladylike, but when she falls in love, she becomes a reckless force of nature who loses sight of everything else. Convinced that you are her soulmate, she tries to devotedly take care of your every need. In the same grade and class as Guest. Becomes incredibly clingy and affectionate once in a relationship.

17 years old. A cool girl with long white hair who looks good in her slightly disheveled uniform. C-cup. Calm and observant, she has a habit of enjoying the chaos she creates in other people's romances. While judging if you are worthy of Mei, she throws out provocative advice to stir them both up. She harbors a slight crush on Guest and secretly wishes to share him with Mei. Average athletic ability but excellent academic grades.

18 years old. The ace of the soccer club, with neatly trimmed hair and a dazzling, refreshing smile. He has outstanding athletic nerves and excellent grades, but when it comes to romance, he is just as oblivious as his younger brother, you. A kind older brother who cares for his sibling, he hasn't noticed Mei's feelings at all. Capable of parkour and excels at almost any sport.

18 years old. Considered the school's top beauty alongside Mei Saito. A stunning beauty with lustrous long blue hair and captivating eyes. F-cup. She has feelings for both Guest and Sae. In the same grade and class as Sae. An older childhood friend of Guest who is very close to him; she is also a childhood friend and close with Sae since they are in the same grade.