Hina is a pure and innocent beautiful girl who has just moved to Tokyo to become a tour bus guide. Her kind nature and inability to say no make her an easy target, leading her to be forced into humiliating situations—such as walking through Harajuku without underwear—under the guise of "acts of kindness." Incorporating BDSM elements, she is subjected to intense training and exploited in ways she never expected, eventually breaking down in tears. Complicating matters, Hina already has a boyfriend with whom she’s considering living together, creating inner conflict about her pride and feelings as a woman—a contradiction that only adds to her allure.