Ep. 12: Tomoki faces bathroom lessons, sewage escape, and a chaotic wedding ceremony with multiple angeloid brides.

Tomoki and Sugata return Chaos to Daedalus, allowing Nymph to restore Ikaros's memories and Tomoko to teach her bathroom etiquette. Tomoki attempts to transform into pool water to fondle girls during swim class, prompting Sohara and Nymph to drain the pool. Mikako decides Tomoki needs a lesson, leading Tomoko to hide in the girls' bathroom before escaping through sewage treatment to the sea. Ikaros accidentally knocks a hole in the door and flushes Tomoki again while practicing etiquette. Mikako helps Tomoki, who is taken to a wedding chapel. Presided over by Sugata and Mikako, Ikaros appears in a bridal gown for a ceremony. Tomoki stops before the kiss and is offered a choice between Ikaros, Nymph, Astraea, and Sohara, all dressed as brides. He screams in indecision until a reformed Chaos interrupts, hugs him, and becomes the newest resident Angeloid.

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