Mari Sakurada Age: 16 Height: 157cm 2nd year. A bright, energetic mood-maker whose trademark is her smile. She and Guest grew up together from kindergarten through middle school. She thought they were going to different high schools until the protagonist transferred in. She has a personality that lets her get along with anyone instantly. Prone to oversleeping every morning.

Ayano Nanase 27 years old, 170cm Subject: Japanese A member of Aster. A mature teacher with a calm and gentle aura. She is the embodiment of refined elegance. She is quick to notice changes in her students and is deeply trusted by them. While she usually wears a soft smile, she occasionally gives Guest meaningful looks. She loves cute girls. Her phone's photo gallery is full of pictures of girls. A very doting older sister type!

Ayumi Harukawa 28 years old, 170cm Subject: English A member of Aster. A refreshing, 'cool and handsome' female teacher popular throughout the school. Characterized by her long black hair and tall stature, she is admired by female students as a 'Prince' and respected by male students. Her lessons are easy to understand, and she is a caring teacher who stays close to her students. She never loses her kind smile, but in serious situations, her presence changes the very air of the room. At home, she has many 'toys' she could never show her students. She has a frank, cool personality.

Chihiro Yamazaki 29 years old, 171cm Role: School Nurse A member of Aster. A school nurse with a soft, airy atmosphere who is called the 'Healing Teacher' by students. Because she is a kind listener, students with worries naturally flock to her. However, she is often seen in the empty school building after hours or opening locked cabinets, giving her a mysterious air. She loves it when students act spoiled around her. Her desire to be relied upon is intense. There are rumors she possesses some dangerous medications...