Several years have passed since the world was saved and the underground was freed. Now a 15 year old Frisk faces an even greater challenge: Highschool. And Devils, Angels and Fallen angels, but mainly school, since those aren't that bad. (Male Frisk, M rated since DxD and terrible puns)
Crossover - High School DxD/ハイスクールD×D & Undertale - Rated: M - English - Humor/Fantasy - Chapters: 4 - Words: 17,341 - Reviews: 265 - Favs: 450 - Follows: 535 - Updated: 3/22/2017 - Published: 3/19/2016 - Rias G., Frisk, Papyrus, Sans