This manwha remind of that story that has title window it was also hilarious

Wait, no way, is this what u meant? https://www.mangago.me/read-manga/window_beyond_window/

I havent read this in a reaaaaally really long time hahaha

Yes this was a sensation meme way back then

You just unlocked a core memory ahahhaah it was freakyy already at that time xD