Otona no Lesson Hajimemasu ~Watashi wa, Osananajimi no Kisekae Ningyou~

"You... starting today, you're my doll."

Rino, a lovesick high school girl, and Kyoya, an aspiring fashion designer, are childhood friends. One day after school... Rino accidentally rips the dress Kyoya was working on to shreds.

"I'll do absolutely anything to make up for it!" she apologizes profusely. Taking advantage of her desperate offer, Kyoya orders her to become his "living mannequin" to assist him with his creative process...!

――Wait, being stripped completely naked to have my bust and hips measured... I never signed up for this!