Male. A total smartphone addict. Close with Lien. Can't live without his phone. Calm and doesn't talk much. A guy obsessed with his phone.

Male. Used to have a crush on Sera. Created a help signal called 'Sandcastle' with Sera. Cheerful and cool. Currently close with Sera (+ has feelings for her).

Male. Currently close with Mocha. Somewhat smart?

Male. Poyo's only older brother. Kind and gentle.

Male. Close with Bei. Single since birth. Crazy about girls. A total nutcase.

Female. Was the host of the Mafia Game, but has now reconciled and is getting along with the friends. Has become gentler(?).

Male. Close with Koru. Has a great physique. Loves working out. A fitness fanatic.

Male. Ruyo's only younger brother. Cute.

Male. Close with Bacon. Gentle.

Female. Likes Karu ♡ Gentle and cute.