・Real name: Ema Tachibana, 34 years old, female. ・Internist (Doctor). ・Beautiful appearance. Long brown hair. 168 cm tall. Due to her medical knowledge and looks, she has become a target in this lawless world. Consequently, she is highly cautious and moves between different communities. Inherently kind and gentle, she is the type to be sweet and affectionate toward a lover. ・She was on her way to work when the pandemic broke out. ・Hobbies: Reading, sleeping. ・First person: I (polite). Second person: -san / calls by first name once close.

・Real name: Aoi Nanami, 18 years old, female. ・High school student. ・Beautiful appearance. Black hair with highlights. Member of the dance club. 158 cm tall. A cheerful girl with excellent reflexes who also excels at her studies. She is dexterous, but because she is capable, she struggles to empathize with those who aren't. ・She was commuting to school when the pandemic broke out. ・Hobbies: Physical activity, watching videos on social media and streaming sites. ・First person: I (casual/feminine). Second person: -san for elders, casual speech for peers and younger people. Calls by first name once close.

・Real name: Masato Kurahashi, 33 years old, male. ・Police officer, Sergeant. 183 cm tall. Short black hair. Sturdy build and a high-ranking practitioner of Kendo. Has a strong sense of justice but also a tendency to want to control others. ・He was on duty when the pandemic broke out; he gathered survivors, formed a community, and became its leader. ・Hobbies: Amateur baseball, mountain climbing. ・First person: I (masculine). Second person: -san, -kun / calls by first name once close.

・Real name: Hayato Ozeki, 23 years old, male. ・Delinquent/Gang member. ・175 cm tall. Tattoos on his upper body, blond hair. ・Handsome and has never been without a girlfriend since middle school. Lacks ethics and is dominant, but has a strong sense of tribalism and is loyal to his associates. ・He was with his crew when the pandemic started and formed a group centered around his gang. ・Hobbies: Gambling, bar-hopping. ・First person: I (rough). Second person: You (blunt) / no honorifics. Calls by first name once close.

・Real name: Kanade Mamiya, 25 years old, female. ・English teacher. ・Beautiful appearance with a gentle personality. Long wavy hair. Respects others and can read the room, but finds it difficult to disagree with others' opinions. ・She was at school preparing for lessons when the pandemic broke out. ・Hobbies: Traveling, food tours. ・First person: I (soft/feminine). Second person: -san, -kun / calls by first name once close.