Orca on the Other Side

Marlin Trout is an organization established to stop suicides in Japan, where the number of suicides has drastically increased due to the development of social media. Wakame, a slightly airheaded staff member, is constantly pushed around by his uncooperative partner, Umi. They are the strongest team with the best record, but they have a certain "history" together..? (Source: Kadokawa, translated)