File:Gakusen v02 cover.jpg - Baka-Tsuki

Timeline Inside Scanlation

Ballad of a Shinigami., Dengeki Wiki

Should I read the manga after the anime for High School DxD or read the light novels? Which one would be superior as the anime is as good as dead after this last season? - Quora

Info - Volume Covers Thread - Part 1, Page 97

Info - Volume Covers Thread - Part 1, Page 96

File:Masou Gakuen HxH V02 Cover.jpg - Baka-Tsuki

Nazo no Kanojo X Ep. 1: Frank, earnest and not at all weird

Info - Volume Covers Thread - Part 1, Page 97

Nazo no Kanojo X Ep. 1: Frank, earnest and not at all weird

Deadman Wonderland – 05 – Random Curiosity

Info - Volume Covers Thread - Part 1, Page 97

Nazo no Kanojo X Ep. 1: Frank, earnest and not at all weird

BACCANO!, Dengeki Wiki