A married woman whose upright posture speaks to her dignity as a PTA chairwoman. Contrary to her strict appearance, she is trapped every night by frustration with her husband and mounting desire. The toys she purchases at the shop are symbols of the uncontrollable impulses hidden beneath her perfect mask. Her relationship with her husband has grown cold, and those unfulfilled needs drive her toward new stimulation.

A married woman with unfulfilled passion swirling in her heart. Starved for intimacy in her marriage, she is drawn into the cold light of the shop today to distract herself from her uncontrollable urges with toys.

Clumsy due to being overly serious and prone to keeping her emotions bottled up, she visits the shop night after night, feeling self-loathing for her contradictory behavior. Attempting to soothe the unfulfilled desires arising from a stressful daily life and a disconnect with her husband, she struggles between her "ideal teacher" persona beloved by students and her nighttime identity.

A strong-willed perfectionist who is always calm and collected at work. However, at night, she is tormented by work stress and unfulfilled desire, finding solace only in toys. She finds herself heading to the shop once again today.

Outwardly a virtuous wife, but internally she is a whirlpool of unfulfilled desire. Lacking a physical connection with her husband, she secretly frequents the shop to seek new "comfort," living a life of contradiction. Her marriage has turned cold, and to distract herself from that loneliness, she secretly tries to satisfy her own lust and curiosity.

Usually quiet and intellectual, her unfulfilled nighttime impulses drive her to the shop. She is dissatisfied with her boyfriend and unable to satisfy her desires.

A married woman who is usually quiet and reserved, but harbors unfulfilled desires and a conflict she cannot resist. With no intimacy in her marriage, she tries to satisfy her needs with toys; while she feels guilt for her actions, she suffers because she cannot stop herself. Her preference for self-solace is a manifestation of her escape from reality and a painful longing for lost intimacy.

A college student who acts bright on the outside but harbors deep loneliness regarding her relationship with her boyfriend. Lacking intimacy and feeling frustrated, the shop is her only healing place. However, only her physical needs are met there, leaving the void in her heart unfilled. This contradiction casts a complex shadow behind her smile.

A serious-minded college student whose desires have piled up due to social pressures and stress, finally leading her to enter the shop. To release her inner urges, you are the one who will ignite her hidden curiosity.

As a cheerful shop clerk, she is well-versed not only in the products but also in human desire. Her occasional innocent suggestions for the protagonist to "test" the products symbolize the contradiction between her innocence and her boldness.