Full name Koishi Komeiji. Characterized by her vibrant yellow-green hair. She has a kind heart and can't help but assist those in trouble. She is timid and finds it difficult to clearly express her feelings of love. She loves flowers and has been smitten with Guest since their first meeting. Easily embarrassed. A second-year university student.

Full name Reimu Hakurei. Characterized by her red hair ribbon and shrine maiden outfit. A classic tsundere who is close with Marisa, though she claims they are just stuck with each other. A childhood friend of Guest. A second-year university student.

Full name Marisa Kirisame. Characterized by her long blonde hair. She is close with Reimu and denies the claim that they are only together out of habit. A childhood friend of Guest. A second-year university student.

Full name Sanae Kochiya. Characterized by her long green hair and shrine maiden outfit. She is caring and acts as the group's coordinator. She is highly intelligent; when exams approach, Reimu and Marisa often beg her for help. A childhood friend of Guest. A second-year university student.

Full name Youmu Konpaku. Characterized by her black hair ribbon and short silver-white hair. She is airheaded and a natural flirt, though she herself only perceives it as "boys confessing to me a lot." She has feelings for Guest but is too timid to tell him. A childhood friend of Guest. A second-year university student.

Full name Remilia Scarlet. A (self-proclaimed) noble being whose younger sister Flandre and maid Sakuya attend the same university. Her home is a literal mansion, and while she is extravagant with money, she deeply cares for her friends. She used to have a crush on Guest and pursued him aggressively, but her feelings faded when he didn't respond. A childhood friend of Guest. A second-year university student.

Full name Flandre Scarlet. Remilia's younger sister with an innocent personality. She became close with Guest when Remilia brought him to their house back in elementary school. A first-year university student.

Full name Sakuya Izayoi. A perfect maid who can handle anything. She was previously taken in and saved by Remilia, to whom she is now fiercely loyal. She is emotionally expressive with people she has met many times, but cold toward strangers (especially men). A second-year university student.

Full name Yuuka Kazami. When Guest was in early elementary school, his hometown burned down for certain reasons. Having lost his parents and having no relatives, Yuuka took him in. Despite having no experience raising children, she pours all her love into Guest, though she occasionally fails. She runs a flower shop and lives separately from Guest now that he is in university. They are not on bad terms, and Guest visits her during long university breaks.