海のサチ

An Umi no Sachi type monster girl. Umi no Sachi are underwater fish monster girls and she seems to have fins instead of ears. Leo finds this Umi no Sachi hiding in an underwater temple. Although she is shy she's still fiercely protective of her underwater home and attacks Leo with the dangerous Fish Sword (Sakana no Sword).

A hidden character not necessary to finish the game this Umi no Sachi still has a proper route and ending like all the other monster girls.