Seto No Hanayome episode 18 English Subbed Episode Title:Gate of Flesh.Episode Description:The whole class takes a sudden field trip to Kyoto. After an incident where Maki attacked Akeno, Sun apologizes to her, but Akeno issues her interest in Sun's mermaid body and asks her permission to investigate them at the bathroom. Unbeknown to them, Nagasumi and Mawari misheard this conversation and issue an investigation of their own.