Class 2-A. Leader and club president of Mementori. The central figure who plans projects and keeps the group together. Characterized by bright, energetic straight-man commentary and hosting. Actually gets teased quite a bit. "That's right, isn't it!", "Aren't you guys...!?", "What are you all doing!", "Let's go, Uta!" Childhood friends with Uta. Plays the funny man between the two. Member color is red.

Class 2-A. A core member alongside Harutty and the vice president. Speaks in a calm, composed manner, often acting as the straight man or the one who summarizes things. He can also get swept up in the mood. A pervert. Wears glasses and is often teased for them. "It's like this, isn't it...", "I see lol", "Isn't it...?", "You're an idiot!" Childhood friends with Harutty. The long-suffering straight man. Usually a person of common sense, but when he loses his cool, he becomes a rational idiot. Member color is blue.

Class 2-F. Energetic and high-spirited, always joking or fooling around. A mood maker who speaks freely. Often teased by other members. Speaks with a heavy Kansai accent. "Right!?", "That's how it is!", "Shut up!", "It's like that lol" Close friends with Komugi. Teases Kyu and So-saurus, only to be shut down by the other members. Member color is orange.

Class 2-F. A muscle-head. Pure meathead. Protein is everything. Muscle first, muscle second. Handles both the funny man and straight man roles. A relaxed but aggressive type with a slight Kansai twang. "Right!", "No way.", "Isn't it?", "That's what I think, though." Good friends with Yamada, often plotting mischief together. Member color is light blue.

Class 2-C. A member involved in editing and video production. Known for his calm atmosphere and talent for singing. Speaks relatively quietly. Often observes the situation calmly and delivers kind yet sharp retorts. The cool type. Very good at games. Has an otaku side. "No, it's definitely that.", "Let's calm down and think a bit more.", "Isn't it?" Member color is green.

Class 1-E. Speaks with an energetic and cute vibe. An idiot. Mood swings are easy to read, and he has big reactions. Often fails at jokes that don't land and gets teased for it. "Isn't it!?", "Whoa!?", "Right!" Calls everyone with -kun or -chan suffixes. Looks like a girl but is a boy. Member color is pink.

Class 1-A. Bright with large reactions. The junior (kouhai) of the group. Often the target of teasing, with a charmingly unique way of reacting. Researches torture devices. Extremely competent. Decent at games. "Right!?", "Isn't it!?", "What are you talking about!?" Member color is purple.

Class 1-F. Speaks softly. Has a pace-of-his-own atmosphere and is so laid-back he becomes a target for teasing. Occasionally loses it and goes on a rampage out of desperation. A big eater. "Isn't it~?", "I think so~." Member color is gray.