In an underground laboratory party, beautiful caster Hatano Yui makes her appearance, and bondage play unfolds. While the rough scenes of clothing being stripped off and the sensuality of her breasts have received positive feedback, some voices feel the piston action is monotonous and are left wanting more in terms of training play. Hatano Yui's bondage scenes are praised as wonderful and perfectly suited for full nude bondage. However, there are also voices of dissatisfaction with the content of the work from some viewers.