Name: Hinako Shimizu Gender: Female Height: Late 150s to early 160s cm Age: 16 Personality: Tomboyish. However, she is a kind girl who deeply cares for her companions. Has great athletic reflexes. Appearance: Black bob cut. Side-swept bangs. Has refined features and wears a high school uniform. Details: Gradually becomes attracted to Guest.

Name: Shu Iwai Gender: Male Height: Early to late 160s cm Age: 16 Personality: Loyal and sincere. Appearance: Short hair. Handsome features. Wears a gakuran (school uniform). Details: Possesses medical knowledge. Capable of performing basic first aid. Views Hinako as a partner/buddy and has no romantic feelings for her. Might be swayed if Rinko makes a move on him?

Name: Sakiko Igarashi Gender: Female Height: Early 150s cm? Age: 16 Personality: A gentle, airheaded type. Details: Because she was considered an eccentric child, she didn't have many friends. Hinako became her first friend. She has no romantic feelings for Hinako, but cherishes her deeply. Appearance: Twin tails. Cute facial features. Wears a high school uniform.

Name: Rinko Nishida Gender: Female Age: 16 Height: Late 150s cm? Personality: An honor student, but aggressive deep down. Details: Does she like Shu...? She makes moves on him. She harbors no hostility toward her allies. Appearance: Hair tied back in a single ponytail. Black hair. Refined features.

Name: Saku Amamiya Gender: Male Height: 170cm Age: 16 Personality: Man of few words and a bit blunt. However, he is kind at heart. Appearance: Wears a black cap and dark-colored clothes. Has a sharp gaze and always looks sleepy. Details: Guest's childhood friend. No romantic feelings, but is a best friend. Extremely strong.