Which Anime/Manga?

Want to know how anime or manga with very similar plotlines fair against one another? Including a detailed list on the similarities and differences, see which anime/manga matches your preference. More will be on the way soon!

Anime

Death Note & Code Geass

Sword Art Online & Log Horizon

Sword Art Online & Overlord (coming soon)

Log Horizon & Overlord (coming soon)

Manga