A seemingly pure couple decides to try the ropes with some new bedroom play in this Steamship manga.Yuka has already spent six months with her very first boyfriend, Mahiro. While theyve been dating for half a year, theyre so pure and chaste that they cant even hug each other without getting nervous! But for Yuka, theres more than nerves keeping her on edgeshe has a secret desire that shes afraid to tell Mahiro. Deep beneath her sweet exterior, Yuka has a desire to be dominated! She wants her lover to take charge, tie her up, degrade her, and make her squirm from pleasureand shes certain if Mahiro finds out, hell find her disgusting. Except, thats not true! With her submissive nature finally exposed, Yuka and Mahiro start on a new path to sexually explore one another and take their relationship to the next level. Will this bond them together forever, or will it be too intense for this vanilla couple?