One day after school, Issei gets a big surprise from Akeno! Since then, Issei finally began building the harem he always wanted. Issei x Huge Harem. Combines hotness with comedy, and also includes some action. Rated M for adult content such as language, violence and lots of lemons. Co-written with DemonHide. Continues in the one-shot fanfiction: "TWBDTT: Grand Finale".

As Issei is slowly poison to death by Samael's curse, Ophis decide to use the remaining power she had left and send Ise and Ddraig back in time. Now Issei and Ddraig are send ten years to the past to start anew chance to get a head start on training. By the time he goes back to Rias' peerage, Ise will become a stronger man than he once was. Issei X Harem.