He fell in love with her mother, Itsuki (Okita Itsuki)…. Tatsuya couldn't suppress his feelings and began to frequently visit her house. Although it was wrong to her, it was all for the sake of meeting Itsuki. This shouldn't be allowed. This feeling must be hidden. He kept telling himself that…. But one day, when they were alone, Itsuki leaned in. Her chest pressed against him, and her breath tickled his neck. Itsuki felt the same way.