Since Masaaki lost his father when he was young, Ayaka and Masaaki have lived together for a long time. Masaaki began to love Ayaka, who loved her with all her heart, more than as a mother. After graduating from university, Masaaki got a job, but his place of work was Kansai. Masaaki, who does not want to leave her mother, invited her to a hot spring trip. Masaaki decided to confess his feelings on this trip.
