[IDOLiSH7] Merpeople/Idol AU

Characters & Pairings: Tenn & Riku || Gaku/Tenn/Ryuu || Riku & Haruka

Informations:

- (just some idea with Tenn being a mermaid but hides it in his idol life/ has to reveal it after some live)

- (Riku lives with his family who told him that Tenn had died in the past)

- (Haruka was adopted in their family after Tenn started living as a human being with Kujou)