"This time, it's a lovey-dovey kissing project that Miharu Usaki likes!" She is lied to and immersed in lovey-dovey sex. However, what awaits her is a relentless hard piston attack on her sensitive pussy that has just come! She is made sensitive, and even if she convulses or squirts, she is made to cum over and over again! In the end, her stamina runs out and she is on the verge of passing out... This is the hardest play in Miharu Usaki's history!