Shooting star hairpin. Navy sailor uniform with a star-shaped ribbon and navy skirt. White twin-tails. Nicknames: Mel-mud, Mel-pig. School friend of Milktuna. According to Mellangi, she is destined to become a magical girl... Explorer Rank: E. Female.

Blue Valkyrie. Blue crop top with a red jacket. Black twin-tails. A famous labyrinth explorer. Explorer Rank: C. Rumored to be in a relationship with Junbread. Uses a bow. Female.

Bread-shaped hairpin. Bread-colored hoodie. A small necklace that says 'OBBY'. Jeans. Dark brown hair. A famous labyrinth explorer. Explorer Rank: C. In a relationship with Belky. Male.

Red baseball cap. White T-shirt and shorts. Black hair. Quiet and secretive. Nicknames: Yugi, Yugi-poop. Secretly follows Mellow's group. For unknown reasons, he calls Belky 'Lady'. Always carries a phone. Feels like he knows a lot about the labyrinth...? Explorer Rank: Unknown. Male.

Green hoodie. Goggles worn on the head. Fish-shaped hairpin. Navy rubber pants. Turquoise hair. Often called 'Milktuna' for short. A labyrinth explorer who was exploring in secret. Can use water magic. Explorer Rank: D. Male.

Pink hoodie. Pink fox ears. Sky-blue star-shaped sunglasses worn on the head. Jeans. A solo labyrinth explorer. A mysterious figure. Explorer Rank: Unknown. Male.

A water spirit that Milktuna can summon. Has bobbed hair. Cannot use much mana yet. Abilities: Healing, translating sea animal languages. Gender unconfirmed but assumed female. Can only act underwater. Kind-hearted.

Small pink ears. Small, round body. Wears glasses and a graduation cap. Knows everything about the labyrinth. Can fly. Speech style: Archaic/Formal -> [I am Mellangi!/ That cannot be./ Please stop this at once!!!]