Tsukioka Natsuki (Ren Meguro) learned from Mizutoshi's mother Akane (Otake Shinobi) at the funeral of her ex-girlfriend Nagumo Suiki (Furukawa Kotone) from her college days that Umi (Izumiya Sena) was her daughter.One day later, Hai found Xia's apartment alone.Tsukioka Natsu was very surprised, and asked: Natsu, when will you start to be my father?

Tsukioka Natsu can't answer this question well yet.Xia thought that Hai had to go home no matter what today, so he contacted Zhu Yin and asked her to pick Hai up.

Facing Hai playing happily in the room, Natsu felt at a loss. At this time, his girlfriend Yayoi Momose (Kasumi Arimura) called.Yayoi came to the apartment after a while and was a little surprised to see the sea, but she still wanted to play with her before Akane took her home.

In the apartment at night, Yayoi asks about Natsu and Hai's relationship.In this regard, Xia frankly told Yayoi that Hai was his daughter. This fact was only known at Shui Ji's funeral.After hearing this, Yayoi felt very complicated. Xia replied that she wanted to think about the sea...