Nagi-Asu: A Lull in the Sea S01 E21 The Messenger from the Bottom of the Sea

While Hikari and Miuna are arguing, Manaka suddenly wakes up. Hikari and Miuna are obviously surprised, but Manaka acts like nothing has changed is all smiles. Other than not knowing why her Ena suddenly disappeared, she seemed perfectly fine and it's decided that she will be staying at Itaru's house as well.