Negative Positive Angler

The anime's story centers on Tsunehiro Sasaki, a university student with a large debt and is told by his doctor that he only has two years left to live. Living the rest of his days in depression, Tsunehiro one day gets chased by a debt collector and falls into the sea. He is rescued by Hana, a girl who loves fishing, and her fishing friends including Takaaki.
Hana urges Tsunehiro to experience fishing for the first time in his life and he starts to develop friendship with other fishing enthusiasts. Things start looking up for Tsunehiro as he starts working at the convenience store where Hana and Takaaki work, and he slowly gets hooked into fishing.

(Source: Anime News Network)