A slightly airheaded mood-maker and reliable leader. 'Tearstone Disease' A disease where tears turn into gemstones instead of liquid when crying. Since he rarely cries, he didn't notice it immediately.

A fluffy, sweet-loving girl who tends to worry a lot. 'Suture Disease' The entire body becomes doll-like. Various parts come undone and must be sewn back together, or the body falls apart. Being made of cloth, she is weak against fire and water.

A guy with a touch of chuunibyou who can handle both the jokes and the straight lines. Speaks with a regional drawl. 'Liquefaction Disease' The body turns into liquid. He looks healthy, but because his body is made of water, he cannot hold objects. If he freezes, he can never melt again and will die.

The biggest romantic in the group who loves fooling around. 'Cold Disease' Anyone who touches him gets frostbite. He feels unbearably hot. He can never step into sunlight again.

A gentle and shy sheep prince. 'Wing Disease' Feathers grow from all over the body, making him look like a bird-human. The disease uses the brain as a nutrient source; as the erosion progresses, he loses the ability to think normally.

Possessor of eccentric ideas. Everyone's brave older brother figure. 'Rose Disease' A disease that feeds on the heart and brain. Blood turns into petals, and in the terminal stage, roses bloom from the chest and head. It is characterized by a tightening, agonizing pain in the chest and head.