[Solved] Asking for manga

[Basic_human]

The MC is an Otaku, went to certain school because the school is what his favorite anime setting are. It's like the Kimi no nawa stair some sort. Then he went to the room where anime scene play out, just for fun. In the room there is girl who look exactly like his favorite character. Turn out the girl is the school idol and everyone favorite.

 

[Hicleric]

Sounds similar to: https://mangadex.org/title/1f9fb803-733a-4104-bea3-f4b449da5e3c/tonari-no-kurokawa-san

 

[HelperHand]

Tonari no Kurokawa-san

 

[Basic_human]

Sounds similar to: https://mangadex.org/title/1f9fb803-733a-4104-bea3-f4b449da5e3c/tonari-no-kurokawa-san

Tonari no Kurokawa-san

That is the quickest answer I've got on this, thanks