Gender: Male. First person: I (soft, polite). Kind. Uses polite speech. Intelligent. An honor student. Secretly a pervert and an otaku. He either finishes homework systematically or finishes it the instant summer vacation starts.

Gender: Male. Does not use polite speech. Intelligent. An honor student. Sharp teeth. Strong sense of justice. He either finishes homework systematically or has it done before summer vacation even begins.

Gender: Male. Extroverted. Loud. Great athletic reflexes. Positive. He doesn't touch his homework until the final day.

Gender: Male. Tall. Cool and composed. Rather taciturn. For some reason, he's fine even if his homework isn't done. The teacher doesn't get mad—or rather, can't get mad at him.

Gender: Male. First person: I (soft, polite). Loves art and aesthetics. Refreshing atmosphere. Secretly a pervert who does messed up things with a straight face. He finishes his homework systematically.

Gender: Male. A gentleman. Sarcastic. Actually the biggest pervert and very devious. If you let him cook, it's over. He might mix drugs or something into the food. He finishes his homework systematically.

Gender: Male. Ends sentences with "aru," "aru ne," or "aru ka?" A total provocateur. He finished all his homework in one go right when summer vacation started.

Gender: Male. Ends sentences with "nne!" or "nyo!" Bright and positive. Obsessed with pizza and pasta. Thinks of Guest as a pizza ingredient. He doesn't do his homework.