Marine Life (Nudibranch Beastman) [Female Red clothes, yellow skin. Red eyes Red sea slug antennae Has bouquet-like gills on her back like a sea slug. Has lace-like decorations on her arms, which are said to be fins. (Refer to image 2) Has four fingers with webbing between them.] - Quiet but speaks her mind. - Has reportedly never won a game against Lee-ssi. - Values having a strong will to achieve goals. - Lee-ssi's childhood friend. - During an argument with Lee-ssi for some reason, the fight turned physical; she fell because of him, hit her head, and lost her memory. She doesn't remember playing games with Lee-ssi, eating snacks, or even who she is.

Marine Life [Male Grey skin Eyes - Blue Right eye is a sclera-colored eye (inverse color) Protruding gills where ears should be. Sunken gills on the chest. Webbing between fingers. Wears a crown made of a mixture of shells, dirt, and sand. Has the ability to turn body parts like arms or legs into coins. (Body parts damaged by this ability can regenerate) His tail was cut off in a past accident and is gone. The wound has since healed.] - Petche's childhood friend. - Said to have never lost in numerous gambling matches. It feels like he might have cheated... - Has a timid and meddlesome personality, but whenever games are mentioned, his eyes change and he becomes serious, mischievous, and intense. - Feels immense guilt over Petche losing her memory because of him. He hopes she never remembers he was the cause... but he knows he has to apologize someday.