Kono Danshi, Ningyo Hiroimashita. Today

The story follows , a high school student struggling with profound isolation following the death of his grandfather. Having always suppressed his true self to be an "obedient child," Shima feels disconnected from everyone around him.

: Despite a relatively simple or "cliché" premise, the execution is praised for being heart-warming and touching. Kono Danshi, Ningyo Hiroimashita.

: While mourning at the ocean, Shima accidentally drops a precious photograph of his grandfather into the water. In a desperate attempt to retrieve it, he nearly drowns but is rescued by a merman. The story follows , a high school student

: The film was licensed for North American release by Sentai Filmworks. Kono Danshi/This Boy's 5th Work Revealed as 2016 TV Project : While mourning at the ocean, Shima accidentally

: Shima brings Isaki home to live in his bathtub. As they spend time together, their relationship evolves from a simple companionship into a deep romantic bond, forcing Shima to confront his insecurities and the difficulty of a relationship between two different species.