Summer vacation! Seiji, Guri, Akane and Yuzu have invited Akua to go with them to the beach. Akane tries to get Akua to go swimming with her in attempt to get closer to Seiji's little sister, but Akua gives her the cold shoulder. Pouting at her brother and his harem Akua goes to swim by herself but a dark shadow looms beneath her. Meanwhile, summer also means tests of courage! Guri suddenly invites Seiji, Akane, and Yuzu to the school after dark for a test of courage but her real motives are to pair another young couple who have asked for her help. Seiji thinks something isn't quite right about the pair though...
What era were you two born in?
Wann seid ihr
noch mal geboren?
¿Cuándo aparecieron ustedes?
¿Cuándo aparecisteis?
C’est vieux comme formule, ça.
Voi due in che era siete nati?
Quando vocês apareceram?
Что это за старые слова?