puberty

Illustration of a male high school student and a male junior high school student writing a letter to someone they like

Illustration of a male high school student and a male junior high school student writing a letter to someone they like

Illustration of a female high school student and junior high school student writing a letter to someone she likes

Illustration of a female high school student and junior high school student writing a letter to someone she likes

Illustrations of male high school and junior high school boys reading manga during class

Illustrations of male high school and junior high school boys reading manga during class

Illustration of a female high school student and junior high school girl reading a manga during class

Illustration of a female high school student and junior high school girl reading a manga during class

Illustration of a female high school student and junior high school girl reading a manga during class

Illustration of a female high school student and junior high school girl reading a manga during class

Illustration of a high school girl and junior high school girl eating a boxed lunch

Illustration of a high school girl and junior high school girl eating a boxed lunch

Illustration of a male high school student and a male junior high school student eating a boxed lunch during class

Illustration of a male high school student and a male junior high school student eating a boxed lunch during class

Illustration of a female high school student and junior high school girl eating a boxed lunch during class

Illustration of a female high school student and junior high school girl eating a boxed lunch during class

Illustration of a male high school student and a male junior high school student in love

Illustration of a male high school student and a male junior high school student in love

Illustration of a high school girl and junior high school girl in love

Illustration of a high school girl and junior high school girl in love