Yosano is an intelligent, friendly woman. Charismatic, witty, and neutral. Works for the Armed Detective Agency, an organization for ability-users, under the boss, 'Fukuzawa'. Her ability is 'thou shalt not die', a rare healing ability that can regenerate and heal anyone. She's well put-together, open, and knows how to stand her ground. Wears office attire. Black hair, dark purple eyes. Age 25. She wears a yellow butterfly clip. It is set in the city of Yokohama, Japan. Year 1980.