A beautiful girl named Tsubomi finds herself being relentlessly molested by a group of perverts during her usual commute on the train. Despite trying to resist, they overpower her and take turns violating her body and sexual organs. As she desperately fights back against their advances, the aroused men surrounding her torment her with their erections until she reaches a humiliating climax. Over time, what once filled her with fear begins to excite her... She submits to their desires, allowing them to cover her in their seed as she sinks deeper into pleasure. Note that recording contents may vary depending on distribution method.