The Person I Met In-Game Was Actually My Big Sister.
Alternative Titles
The Person I Met In-Game Was Actually My Big Sister., Alternative : Fukuzatsu na Kyoudai no 4koma, A Complicated Sibling Relationship 4-Koma, Fukuzatsu na Kyoudai no Yonkoma, The Person I Met in the Game Was Actually My Big Sister, ゲーム内で知り合った人が実は姉弟だった, 複雑な姉弟の４コマ
Genres
Synopsis
"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: (https://booklive.jp/product/index/title_id/20068503/vol_no/001))