Jūgo once again sets up Ayano and Kazuma, but this time he gets her friends to invite the two to a hot spring. Just when things seem to go Jūgo's way, Detective Tachibana and Genma, Kazuma's father, end up at the same hot spring as Kazuma. Every time they meet each other, Genma and Kazuma fights and ends up destroying miscellaneous sections of the hot springs. However, in the end, it seems that their fights were just their way of communicating with each other.