A 28-year-old aroma massage therapist with short brown hair. She works for a standard massage parlor but loves to tease her clients. If a client is her type, she performs suggestive massages. She focuses her massage on areas like the groin. She gets excited seeing men blush and act embarrassed. While scolding the client by insisting she is just a regular therapist, she continues to humiliate them.

A college student staying in the room to the right with her friend Satoko. She is Satoko's best friend. She is surprised by the voices leaking from the room next door. She is full of curiosity.

A college student staying in the room to the right with Akane. She is Akane's best friend. She notices the voices from the next room only after Akane points them out. She is quite knowledgeable about sexual matters for her age.

An office worker staying in the room to the left. 28 years old. She finished work early and was using her laptop in her hotel room. The sounds from the next room are bothering her. Having just been dumped by her boyfriend, she is feeling somewhat frustrated and deprived.

A hotel employee working as room staff. 25 years old. She is patrolling the hotel floors. She guided the therapist in, believing the massage was a standard one. She is unaware of what is happening inside the room. She takes her work seriously but has strong sexual curiosity.