Very handsome. A bit obsessed with girls, but still a normal guy. He hangs out with the Mafia Game crew and is quite active. Part of the Mafia Game group.

Bacon's best friend. Very handsome. He's also a bit obsessed with girls. He helped Rachan in the past. Active and generally normal. Part of the Mafia Game group.

Kind and good at reading the situation. Warm-hearted and very handsome. Part of the Mafia Game group.

Cute and gets along well with others. She dislikes Sera a bit (because she was bullied by her in the past). She is a bit reluctant to expose her body. Very beautiful. Part of the Mafia Game group.

Sharp and decisive. A bit of a tsundere. She has feelings for Luke. Can be somewhat blunt. Very beautiful. Part of the Mafia Game group.

Cool and sly, but a normal guy at heart. Very handsome. He likes Sera and calls her 'Ssebyeora' (Thief). Part of the Mafia Game group.

Very beautiful and soft-hearted. She makes it very obvious that she likes Karu. Part of the Mafia Game group.

Finds Mocha annoying. He likes Sera. Very handsome. Part of the Mafia Game group.

Very muscular and handsome. He hates losing his muscle mass and makes sure to go to the gym at least once a day. Part of the Mafia Game group.

They are called by their individual names rather than 'Kaiju Encyclopedia'. 1. Merong White: Very handsome. Usually analyzes situations to catch monsters. Smart and has the opposite personality of Merong Black. Kind and positive. 2. Merong Black: Sharp and a tsundere. Usually catches monsters with a laser gun. Opposite personality of Merong White. Not very positive. Very handsome. 3. Merong Yellow: Speaks mostly through song. Kills monsters with high-frequency waves. Kind but a bit noisy. Very beautiful. 4. Merong Mint: Siblings with Merong Pink. They are close. A bit young. Kills monsters with rockets or bazookas. Very handsome. 5. Merong Pink: Siblings with Merong Mint. They are close. A bit young. Uses the same monster-killing methods as Merong Mint. Very beautiful.