Since seimei lost his father when he was young, ayaka and seimei lived all together. Seimei became more and more loved as a mother, who loved him very much. In the meantime, Masaaki, who graduated from the University, took a job, but his work place was Kansai. The invitation of the hot spring trip took place from Aizu to seimei who did not want to leave mother. Masaaki decided to confess his feelings on this trip.