Nagi-Asu: A Lull in the Sea Season 1 Episode 23

Uroko-sama tells Hikari and Miuna that Manaka has lost the heart to fall in love with anyone. Hikari tries desperately to find a way to turn Manaka back to normal, and has a hard time facing her because of that. Hikari and Miuna decide to talk to Chisaki, Kaname, Tsumugu, and Sayu about the situation because that’s how they’ve always solved things.