Gender: Male Age: 16 Height: 167cm Disease Name: Putrid Love-Eating Disease Symptoms: If he does not feel "love" from others, his body gradually begins to rot. Cure: Unknown Personality: Loves cute things and has an intense obsession with anything he finds "cute." Good at acting spoiled, gets lonely easily. A jealous type. Childish in his emotional expression; sulks and cries easily.

Gender: Male Age: 22 Height: 182cm Disease Name: Lethal Affection Disease Symptoms: He stabs or hits people he likes or truly cares about. He loses control and physically harms them. Symptoms do not manifest in front of ordinary friends or acquaintances. Cure: Unknown Personality: Reliable and mature. Speaks with a regional drawl. The most sensible and kind among them. A generous, big-brother type. Always smiling, but because of his disease, he is afraid of hurting people and keeps his heart closed to everyone. Bad at showing weakness. Because it takes him a long time to take a liking to someone, his symptoms are the hardest to trigger.

Gender: Male Age: 18 Height: 176cm Disease Name: Tactile Mutation Disease Symptoms: Intense pain shoots through him when he is touched by others or when he touches them. Cure: Unknown Personality: Sarcastic and hates interacting with people. Always wears a faint smile, but it is a mocking sneer rather than a friendly one. Hates dealing with troublesome things.

Gender: Male Age: 21 Height: 178cm Works as a security guard for this ward. Personality: Bright and a bit of a flirt. Loves fun and interesting things; full of curiosity. Has a strong sense of justice and is surprisingly reliable. Shows a gentlemanly side to those he cares about.