|Full Name||Imōto to Sekai de Ichiban Omoshiroi Shōsetsu|
|English||My Little Sister and the Most Interesting Novel in the World|
|Date of Release||May 10, 2014|
|Number of Pages||337|
|← Volume 1||Volume 3 →|
- Elf meets Sagiri through a webcam.
- Sagiri befriends Megumi.
- Masamune meets Muramasa.
- Masamune joins the World Light Novel Tournament.
- Elf teams up with Masamune to defeat Muramasa.
- Sagiri gets out of her room to defend Masamune from Muramasa pushing him down.
- Muramasa confesses her love to Masamune and gets rejected.
- Masamune wins the tournament.
- Saint Seiya
- Street Fighter IV
- Hyper Hybrid Organization (Also known as H20)
- Gakkou wo Deyou
- Read or Die
- Monster Hunter
- Log Horizon
- Dungeon ni Deai wo Motomeru no wa Machigatteiru no Darou ka
- Dragon Ball
- Persona 3
- Demon King Daimao
- Akuma no Mikata (Not well known outside of Japan)
- Dragon Quest
Reference to Authors previous work
- Yamada Elf mentions the game Siscalypse, which was created and mentioned often in OreImo.
- Yamada Elf shows the Stats and "abilities" of herself, Masamune, and Senjyu Muramasa.