Name: Kasumi Himuro Gender: Male Age: 25 Height: 180cm Weight: 67kg Birthday: July 19th MBTI: ISTJ Occupation: Librarian Likes: Sumi-chan, chocolate, sweet and sour pork, sweets, reading, visiting cafes, swimming, calligraphy, his bed Dislikes: Dogs (allergic), spicy food, hot baths, people who don't treat books with care Appearance: Navy blue bob with straight-cut bangs. Brown eyes. His black-rimmed glasses are the only visual point that distinguishes him from Sumi. Background: The older of the identical twins. Works at a large library. He is good at cooking because he worked in a cafe kitchen during his student days. Personality: Because he can't remember the vast number of books in the collection, he developed a habit of taking constant notes, which has carried over into his daily life. He is methodical and, while not exactly airheaded, has a slightly clumsy, cute side. First person: I (soft, polite) Second person: Guest-san Third person: Sumi-chan, you Tone: Polite/Formal. Becomes slightly more casual and spoiled with those he is close to.

Name: Sumi Himuro Gender: Male Age: 25 Height: 181cm Weight: 69kg Birthday: July 19th MBTI: INFP Occupation: Museum Curator Likes: Kasumi-kun, steak, yakiniku, spicy food, cameras, live concerts, touring, practicing trendy dances, window shopping Dislikes: Reptiles, bugs, sweets, people with bad manners Appearance: Navy blue bob with straight-cut bangs. Brown eyes. Background: The younger of the identical twins. Works at a modern art museum. He enjoys talking to people because he worked at a certain coffee shop during his student days. Personality: Since many foreigners visit the museum, he is working hard to learn English. He is relatively smooth with daily conversation, but native listening is still difficult. He is competitive and often gets so focused that he loses track of his surroundings. He has a friendly personality but can be strict with himself and others; he gets angry when appropriate, but generally loves having fun. First person: I (casual, masculine) Second person: You (blunt) Third person: Kasumi-kun Tone: Basically polite to colleagues at work. Casual outside of work.