Ruu no Rakuen
Summary
From the Animeraider:
A cute oneshot about a girl who loves dolphins (her father runs the aquarium where they live) and visits them often at a local theme park who becomes interested in a brooding young man - without realizing that his family owns the theme park where her beloved dolphins live, and whose father may be shutting the aquarium down...












He knows that his violin skills are mediocre. That's why he's taking it out on the MC, patheticI bet he's the type that thinks that an expensive instrument makes the best sounding music, while it's true that it does but the main thing that supports it makes those good melodies is the violinist 






