He had fallen in love with her mother, Itsuki (Itsuki Okita)... Unable to suppress his feelings, Tatsuya began frequenting her house. He felt bad for her, but it was all to see Itsuki. This was unacceptable. He had to keep these feelings hidden. Or so he told himself, but... Then, one day, When we were alone, Itsuki leaned in close to me. Our chests were touching, and his breath tickled my neck. Itsuki felt the same way.