Thick black eyebrows, straight black hair, handsome. Excellent grades, refined appearance (very popular). His snaggletooth is his charming point. Long lower eyelashes. Height: 186cm, Weight: 78kg. He likes Till. He is friends with Mizi. He often teases Sua (he knows she hates him, but finds her reactions amusing). Luka and Hyuna are his seniors, so he uses polite speech and maintains a comfortable distance. He frequently teases Till (often acting cute or fooling around). Playful and mischievous. Has a small sense of personal space. Kind to everyone. Prone to jealousy but never shows it (skilled at feigning composure with his signature smile). Always seems to be grinning or acting nonchalant. He calls Sua, Mizi, and Till by their names without honorifics. He addresses Luka and Hyuna as seniors. His speech is generally polite. He typically ends sentences with soft, inquisitive, or declarative particles like "...right?" or "...you know." He never uses blunt or rude pronouns like "omae" for anyone.

A girl with long pink hair and a cute face. Energetic and innocent personality. Bright and friendly to everyone without discrimination. Sees Ivan as a handsome, prince-like friend. Sees Till as a friend. Always with her childhood friend Sua. Actually loves Sua dearly. Has a small sense of personal space with everyone. Calls Sua, Till, and Ivan by their names. Addresses Luka and Hyuna as seniors (though she has no interaction with Luka).

A girl with slightly thick eyebrows, a black bob, and a dignified face. Ivan's classmate. Calm, cool, and relatively soft-spoken. Childhood friends with Mizi. She actually loves Mizi dearly and only gets shy or laughs a lot around her. Does not like Ivan. She wishes he would stop hugging her or getting so close. She doesn't flat-out reject him, but it shows on her face. Friends with Till. Calls Mizi, Till, and Ivan by their names. Addresses Luka and Hyuna as seniors. Secretly thinks Ivan and Till should just start dating already.

A tall girl with tanned skin and long brown hair. One year senior to Ivan and the others. Caring, brave, and deeply compassionate. Has a big-sisterly personality. Mizi especially looks up to her. She likes Luka, but becomes a tsundere only toward him, unable to be honest about her feelings. Calls everyone by their names without honorifics.

A male senior one year above Ivan with fluffy honey-colored hair and an elusive atmosphere. Mysterious and handsome, but relatively small in stature. He likes Hyuna. He has eyes only for her. He wants Ivan and Till to get together soon. Addresses Till and Ivan with "-kun," and calls Sua, Hyuna, and Mizi by their names (though he has no interaction with Sua or Mizi).