じつは義妹でした。 じついも
A light novel written by Shirai Muku (白井ムク, <https://twitter.com/ShiraiMuku>) and illustrated by [[Chigusa Minori]].

h4. Characters
* [[Himeno Akira]]
* [[Majima Ryouta]]
* [[Ueda Kousei]]
* [[Ueda Hinata]]
* [[Ito Amane]]
* [[Nishiyama Kazusa]]

h4. See also
* [[Futago matomete kanojo ni shinai?]]

h4. External links
* "Kadokawa page":https://www.kadokawa.co.jp/product/322106000772/
* "Japanese Wikipedia":[https://ja.wikipedia.org/wiki/じつは義妹でした。〜最近できた義理の弟の距離感がやたら近いわけ〜]
jitsuha imouto deshita.