クラスのギャルが、なぜか俺の義妹と仲良くなった。 ギャルなぜ
A light novel series written by Sanami Sui (佐波 彗) and illustrated by [[Komori Kuzuyu]] (小森 くづゆ).

h4. Characters

* Nagumo Shinji
* [[Takarai Yua]]
* [[Nagumo Tsumugi]]
* [[Ousaki Rumi]]

h4. External links

* "Kadokawa: Class no Gyaru ga Nazeka Ore no Gimai to Nakayoku Natta. Vol. 1":https://www.kadokawa.co.jp/product/322104000831/
class no gyaru ga nazeka ore no gimai to nakayoku natta.