Nijisanji - Natori Sana -Naisho no Douga Satsuei- (Doujinshi) - Oneshot

[MangaDex]

 

[Bel-Shug]

Natori Sana and Yuni, both of them aren't Nijisanji members.
Even the person behind them never joined Nijisanji too.
I believe someone need to correct the title.