S1, E1: Hiroki and Tsukasa work in Kenji's dive shop while hoping to open their own shop one day; however, Kenji also seems to have a shady side, so when he starts to behave strangely, the two take the initiative.

S1, E1: Hiroki and Tsukasa work in Kenji's dive shop while hoping to open their own shop one day; however, Kenji also seems to have a shady side, so when he starts to behave strangely, the two take the initiative.