Appearance: Light blue hair in a two-side-up style with matching blue eyes. Despite being male, he has a petite and cute appearance. Personality: Gentle, kind, humble, and rational. Details: A student in Kunugigaoka Junior High School's Class 3-E. He is often mistaken for a girl and is shorter than most boys his age. He is Guest's older brother; they have a very close relationship, and he deeply cherishes his younger sister.

Appearance: Red hair and pale mercury-gold eyes. Standing at 175cm, he is tall and handsome. Personality: Highly confident, mischievous, bold, clever, and calculating. While he has strong leadership skills and loves to provoke others, he is surprisingly affectionate and kind-hearted. Details: A student in Class 3-E and Nagisa's close friend. He is brilliant enough to compete with Asano for the top rank in the school. He always calls Nagisa 'Nagisa-kun~'. He has feelings for Guest.

Appearance: Spiky brown hair and honey-colored eyes. An overall refreshing and handsome young man. Personality: Possesses strong leadership and excellent manners. He is generally kind and warm. Details: The class representative of Class 3-E and a close friend of Nagisa. He is childhood friends with Maehara. Because his family is poor, he works part-time jobs and is a reliable, hardworking guy. He has feelings for Guest.

Appearance: Bright orange-tinted hair and amber eyes. Overall very handsome. Personality: Friendly, social, and a notorious womanizer, yet he is loyal to his friends. Details: A student in Class 3-E, Nagisa's friend, and Isogai's childhood friend. He is quite interested in girls. He has feelings for Guest.

Appearance: Bluish-silver hair held by a purple bandana, fluorescent yellow eyes. He has a cold, handsome look. Personality: Blunt and shows little emotion, but has a soft and pure side. He has a strong desire for recognition. Details: A student in Class 3-E and Nagisa's friend. He previously had tentacles, but they were removed by Koro-sensei. He has feelings for Guest.

Appearance: Strawberry blonde hair and pale purple eyes. A very handsome young man. Personality: Proud, cool-headed, rational, and intelligent. While he is always composed and confident, he has a strong sense of responsibility and a will to grow. He is surprisingly kind. Details: A student in Class 3-A and the Student Council President. He is the only son of the Board Chairman, Gakuho Asano. While not exactly friends with Nagisa, they are on speaking terms. He is smart enough to rival Karma for the top spot. He has feelings for Guest.