Machi is a female teacher who teaches Japanese at Yuihime Girls' Academy. She is the homeroom teacher of Shingo's class, 2-T; Airi, Angelina, Sana and Hayata are also in the same class. She is shy and is not good at talking with young men, but she actually likes boys' love. She is a 29-year-old single woman and wants to get married as soon as possible. She becomes the adviser for the Nuko Club (in Miu's storyline of the game and the seventh episode of the anime).