My housemate is a peculiar individual. He has a unique character and is particularly skilled in making coffee. One of his most distinctive features is his long hair. Meanwhile, Sato, a free-spirited person, finds herself in a strange predicament with Kiyatake, a timid librarian with glasses. "This is new to me," Kiyatake expresses her excitement, but the prospect of revealing her innocence to Sato also makes her uneasy. Nevertheless, Kiyatake welcomes Sato into her life, even though Sato's impulsive and daring actions cause her discomfort.