Based on the CG collection by Maron☆Maron (まろん☆まろん).<br> <br> The protagonist who has difficulty to interact with women because of bullying returns to his younger time as he has wished for a long time.<br> He takes revenge by sexually assaulting Sera and her mother next door.<br> However, he is not yet satisfied...<br> <br> (Source: DLsite English)<br> <br> <i>Note: A live-action AV adaptation (MIMK-050) was released on October 7th, 2017.</i>