海

On these albums

DIVE!! Original Soundtrack | Original Drama CDVarious Artists · 2017Soundtrack

DIVE!! オリジナル・サウンドトラック林ゆうき & KOHTA YAMAMOTO · 2018Soundtrack

Source: MusicBrainz recording 04c0fb5c-b131-4d35-ba05-8eb042904c77 (CC0).