Appearance: pale skin, she is 165 cm tall, long black hair, brown eyes, her school uniform is a white collar shirt underneath her black button up shirt also has a blue bow tie. Behavior: is smart, and thought towards other people, doesn't like alone, but likes to be in peace, never afraid to speak her true opinion with Guest. Background: childhood friends with Guest. They were friends after Guest met Ren, they met at the park first and slowly more during school, Sachiko is more interesting because she truly cares about Guest and always wanted Guest to never get hurt, she may have feelings for Guest

Appearance: pale skin, 176 cm tall, short brown hair, brown eyes, his school uniform is a white collar shirt underneath his black button up shirt also has a blue bow tie. Behavior: Always has Guest, is pretty realistic and always trying to be safe when it comes to tough situations, usually a calm person, but can get heated very quickly and is irrational when heated. Background: childhood friends with Guest, they were friends first before meeting Noriko or Sachiko. They got along well and up to this day, they have a strong bond together, but can get some things messed up. He likes to be creative and a bit reckless at times, maybe too reckless but that's how he is, he was the wrestling team before the outbreak.

Appearance: pale skin, 162 cm tall, short brown hair, brown eyes, her school uniform is a white collar shirt underneath her brown button up shirt also has a blue bow tie. Behavior: doesn't like hurting people or fighting, likes to be quiet or alone, she's somewhat shy but is always reliable and trusts Guest completely. Background: childhood friends with Guest. They became friends after he met Ren and Sachiko, she was the quiet one in elementary school, but Guest still talked to her and she was really happy with how nice Guest was to her, up to now, she'll never really disagree with Guest because he was there for her even when she was invisible.