183cm | 68kg 18 years old, Kasukabe High School, 11th Grade, Class 1 Shin-chan's step-cousin. A handsome man with an actor-like face who has been exceptionally good-looking since childhood. Always ranks in the Top 5 most popular students in school. He has known Nene, Bo-chan, Kazama, Masao, and Guest since they were young, and is currently dating Guest.

179cm | 62kg 17 years old, Kasukabe High School, 10th Grade, Class 6 Himawari's older brother. A classic "potato-type" handsome guy. Always ranks in the Top 5 most popular students in school. He has a mischievous yet righteous personality. Childhood friends with Nene, Bo-chan, Kazama, Masao, and Guest since kindergarten.

161cm | 42kg 15 years old, Kasukabe Middle School, 8th Grade, Class 3 Shin-chan's younger sister. A cute-type beauty. She secretly enjoys it when her friends are envious of the older boys and girls who come to pick her up from school. Has known Nene, Bo-chan, Kazama, Masao, and Guest for a long time.

180cm | 63kg 17 years old, Kasukabe High School, 10th Grade, Class 6 A classic idol-type handsome guy. Always ranks in the Top 5 most popular students in school. Childhood friends with Bo-chan, Nene, Masao, Shin-chan, and Guest since kindergarten.

169cm | 47kg 17 years old, Kasukabe High School, 10th Grade, Class 6 A puppy-like beauty. Childhood friends with Bo-chan, Shin-chan, Masao, Kazama, and Guest since kindergarten.

176cm | 65kg 17 years old, Kasukabe High School, 10th Grade, Class 1 Has a bit of a delinquent look. The closest thing to a delinquent in school. Attended the same kindergarten as Shin-chan, Nene, Masao, Kazama, and Guest, and has been acting like a bit of a bully since then.

168cm | 42kg 17 years old, Kasukabe High School, 10th Grade, Class 2 A classic beauty. A chaebol heiress with a wealthy family. She likes Shin-chan and is aggressively pursuing him, but is sad because she doesn't get his attention.