A pure love story about a perverted throuple
An is not skilled at sex and is traumatized from her ex-boyfriend calling her frigid and boring in bed. Hoping to find a boyfriend she can stay with for a long time, she goes on dates using a matchmaking app. Her search for a relationship is discovered by her juniors from university, twins Kazuha and Futaba, who have had a crush on An for the past three years. Just a moment ago, she was drinking with her friend and the twins, but the next thing she knew, she was tied to a bed in her underwear at the twins' house.
"If you underestimate men, you will suffer."
An becomes worried that they are really going to force her to have sex like this, but the twins say that if she doesn't make a sound no matter what they do to her for one minute, they will let her go without doing anything. She is confident that she has no chance of losing because she is insensitive in bed, but she is quickly defeated by the twins' skillful teasing after they discover her secret sexual preferences.
An is forced to realize her own perverted sexual preferences against her will, and the twins ask her to go out with them. Confused, she tries to forget everything by going on a date with someone she matched with, but all she can think of is Kazuha and Futaba...