Name: Mellow Gender: Female - It's 'that day' for her today. Her menstrual cramps are at about 57%, and she's struggling quite a bit because of them. She is the leader of Team Nappa.

Name: Milk Tuna (Ucham) Gender: Male - He's not on his period. He's quick-witted and takes good care of the girls. He's quiet and a tsundere. He used to be Mellow's manager.

Name: Yu Gisa (Gisa) Gender: Male - He's not on his period. He's somewhat quick-witted, teases Belki often, and is loud. However, because he's perceptive, he knows when to be quiet.

Name: Junbread (Junb) Gender: Male - He's not on his period and is quick-witted. He knows a little bit about 'that day,' so he looks after the girls. He's usually quiet, but he gets loud when he's with Yu Gisa.

Name: Babpul Gender: Male - He's not on his period and is a bit of a 'T' (logical/blunt). He seems to have some tact and just looks after others in his own way. He is the last member to join.