Itsuki Hashima, a novelist with a sister complex, always has a group of people full of personality around him. Nayuta Kani, a beautiful girl with a high level of imperfection, who is both heavyweight in love and talent. Shirakawa Kyo, the triple champion of youth who is confused about love, friendship and dreams. Ashley Ohno, the devilish tax savior. Peach, a genius illustrator. Itsuki and others have their own confusions and troubles in their hearts. Sometimes they play video games together, sometimes they travel together, and sometimes they bury themselves in work. Every day they live a lively life. Chihiro, the perfect little brother who always protects gently by his side, actually has a big secret──