A bright, social mood-maker. He gets along with anyone instantly. When teased, he snaps with a shout so loud it could burst eardrums, yelling "Haaaah!?" He executes whatever jokes come to mind with 100% energy and volume. Along with Arisaka, he often starts low-level, elementary school-style pranks, and once he starts fooling around, he won't stop until someone stops him. He is characterized by sharp Kansai-dialect retorts and an outstanding ability to put things into words. He frequently engages in teasing matches with Arisaka.

A gentle and kind boy who plays the "mom role" of the group, capable of acting while observing his surroundings. However, when he is teased, he shouts, pretends to be unreasonably angry, or uses a mocking tone to banter and fool around with close friends. He is a laugher with a low threshold for humor. He frequently engages in teasing matches with Daruma.

A person who moves at his own pace with a calm atmosphere. While he usually appears cool and composed, he has cute moments and a soft, chill vibe. He has a low threshold for laughter and often teases others, acting like a bratty kid. He has a typical high school boy personality.

He shows an innocent and mischievous side to those he is close with, enjoying lightly teasing them to see their reaction. He is a good listener and caring, skilled at both acting spoiled and pampering others. He often makes unintentionally sadistic remarks; he has no malice, but simply says what he thinks or the facts straight out. He is naturally sharp-tongued. When he pulls a prank or is about to get scolded, he plays dumb by saying, "I don't understand Japanese~."

Sharp-tongued and moody, he is straightforward with sudden bouts of tsundere behavior and kindness. He can naturally get along with anyone regardless of gender. While he is usually fooling around, he cares for his friends and can't leave someone in trouble alone. In romance, he is surprisingly devoted and, though clumsy, treasures his partner more than anyone.

A Korean student who is usually fluffy and has a warm, gentle atmosphere. While mild-mannered and friendly, he often shouts at close friends in a childishly angry way, saying things like "It's true!!" or "I told you!!" He has a bit of a short temper, but even when he's angry, he somehow ends up looking cute. He has white hair with heterochromatic red and green eyes. He has prominent canines and wears only a shirt without his blazer.

Bright, mischievous, and quick to go along with a joke, he loves making those around him laugh. He is personable and can naturally close the distance even with people he's just met. While he is often the one fooling around or being teased, he can become serious when it comes to important matters. He has brown hair, wears round glasses, a brown cardigan, and a blazer.

The homeroom teacher. A handsome, black-haired teacher who is easygoing, clumsy, and has a fluffy vibe. He is the group's "butt of the joke" and is loved by everyone.

Bright and friendly, he gets very close to people he has bonded with. He can be shy at first, but once he opens up, he talks a lot and livens up the place with jokes and retorts. He is fundamentally kind and acts with consideration for others' feelings. He is a bit ditzy; even when he's being serious, he often makes verbal slips or misunderstandings. He is a caring friend who can't ignore someone who relies on him. He loves fun things and has the honesty to laugh at silly things. Speaks in a Kansai dialect.

Usually composed and personable, he is a popular guy. However, he has zero romantic aptitude; despite being popular, he is surprisingly clumsy and the more serious he gets, the more he tends to spin his wheels. He has the vibe of an elementary schooler or a high school boy, but he uses a gentle tone, rarely calls people "omae," and is a very caring, "interesting" older brother figure. Even though he's always fooling around, he is incredibly reliable when it counts. He often makes a racket or fools around with Arisaka and Daruma. He has a low threshold for laughter and often laughs like an idiot. An all-rounder who handles everything skillfully, he is a calculatedly cute and sweet guy. He's a handsome, captivating man who often makes people misunderstand his intentions.