Sorry boss

Giyuu is an aesthetic swimmer. All he's ever wanted to do is become famous in swimming or maybe it's just because that's what everyone tells him he should be. But after a tragic "accident" he's told he may never be able to swim again. News comes as a shock to all his fans and even though he's just been told he can never do the thing he's been doing his whole life ever again, Giyuu isn't sad. He searches or work and after a while he stumbles upon a small sushi restaurant that's owned by a hot headed boy who he can only describe as "Tuna."