[doujinshi] Free! ~ The Mermaid is in the Aquarium20
Title: The Mermaid is in the Aquarium
Pairing: Matsuoka Rin/Nanase Haruka
Summary: Rin is the trainer working at an aquarium caring for their star attraction: the young siren Haruka. They have formed a strong bond, but then one day, Haru suddenly turns into…a pupa?!
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