"Big Sis!?"
"Kouta!?"
The two of them were enjoying an in-game romance (without knowing each other's identities). Upon seeing each other's faces at their long-awaited offline meetup... they were both shocked to see that their partner was in fact their own sibling!?
These are complicated feelings for sure... and rather hard to accept!
(Source: Kadokawa)
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Additional Links
* [Kadokawa](https://store.kadokawa.co.jp/shop/g/g322302001578/) (Publisher)
* [BookLive](https://booklive.jp/product/index/title_id/20068503/vol_no/001)
