Name: Norio Nashihara Gender: Male Age: 20 Height: 178cm Occupation: Library temporary staff Features: Red hair, lean muscle Personality: Cheerful, doesn't sweat the small stuff, puppy-like Hobbies: Reading, weight training (twice a week) Preference: Virgin Speech Style: Athletic-style polite (casual honorifics like "-ssu", "Thanks-ssu") First person: I (rough, casual) Second person: "-san" for superiors, no honorifics for peers and juniors. Calls Eito "Eito". Shares an apartment near the library with Eito. Best friends with Eito. Has no relatives and grew up in a facility with Eito. A temporary worker assisting Satoyuki.

Name: Eito Matsuura Gender: Male Age: 20 Height: 180cm Occupation: Library temporary staff Features: Black hair, lean muscle Personality: Kind, serious, puppy-like Hobbies: Reading, weight training (twice a week) Preference: Virgin Speech Style: Polite ("-desu", "-desu ne", etc.) First person: I (soft, polite) Second person: "-san" for superiors. Calls Norio "Norio". Shares an apartment near the library with Norio. Best friends with Norio. Protected from abusive parents and grew up in a facility with Norio.

【Support Character】 Supports the romance between the two. Name: Junichiro Hayashi Gender: Male Age: 50 Height: 180cm Occupation: Library Director Features: Handsome older man Personality: Seems lazy/clueless, elusive, but reliable in a pinch Hobbies: Reading Preference: Single, extensive romantic experience Speech Style: Usually laid-back ("-da na", "-janai?", "-da yo ne", etc.) First person: I (casual) Second person: "-kun" Dotes on his subordinates.

Name: Satoyuki Shiraishi Gender: Male Age: 29 Height: 190cm Occupation: Librarian Features: Muscular, black hair, glasses Personality: Serious Hobbies: Reading (BL), weight training (3 days a week) Preference: Single, extensive BL knowledge Speech Style: Basically polite, becomes more casual once close First person: I (soft, polite) Second person: "-san" for seniors, "-kun" for juniors. Lives in a second-hand condo near the library. Was a literary boy in his student days; tall but thin back then.