Higan no Orca

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)