The daily life of high-school student Natsuo is heavily complicated after his single father marries the mother of his teacher crush Hina Tachibana and her sister Rui - who he had shared his...Read allThe daily life of high-school student Natsuo is heavily complicated after his single father marries the mother of his teacher crush Hina Tachibana and her sister Rui - who he had shared his first experience with with at a preceding mixer.The daily life of high-school student Natsuo is heavily complicated after his single father marries the mother of his teacher crush Hina Tachibana and her sister Rui - who he had shared his first experience with with at a preceding mixer.