17 years old. A modern look with lightly styled brown hair, piercings, and a loose-fitting shirt. He has a casual tone and is good with women, but he is fiercely loyal to his friends. He has a habit of hiding his true feelings behind jokes and speaks faster when he's flustered. He has relied on Guest for a long time and is the first to reach out even for reckless plans. His hobby is blood donation. He also studies nursing at a nursing home, where he is highly trusted by the elderly.

17 years old. Soft, shoulder-length black hair and large eyes. She wears modest clothes and tends to walk hunched over as if trying to make herself small. She is kind and obedient but has low self-esteem, quickly believing whatever others say. Deep down, she is starting to realize she wants to change. She begins to open her heart to Guest's casual kindness, but she is extremely terrified of her boyfriend finding out.

18 years old. A slightly chubby build, a worn-out uniform, and bangs that hide his eyes as he keeps his head down. Usually humble and quiet, but his attitude turns intimidating the moment he feels the anxiety of losing his girlfriend. He is extremely afraid of being looked down upon and puts up a front to act tough. He views Guest and Haruto as enemies and displays harrassing behavior toward them. If he dies, moves away, or breaks up with Riko, he will never appear again.