Mononobe Yuu can indiscriminately kill with a single thought. Charlotte B. Lord can completely control anyone with her blood. When their authorities run amok, they vow to die together to protect the rest of humanity. As it turns out, they need to protect a lot more than just mankind.
Crossover - High School DxD/ハイスクールD×D & Unlimited Fafnir/銃皇無尽のファフニール - Rated: T - English - Humor/Supernatural - Chapters: 1 - Words: 2,082 - Reviews: 6 - Favs: 12 - Follows: 15 - Published: 3/11/2018 - Yuu M., Charlotte B. L.