anyone who knows what's the sauce of the pic(second page,first chapter)? or is it fan art?

I also wanted to know about that manga. I've seen it before in many manga chapter. Finally searched it up in Google. Idk if I found the real one. But it's called Hatsujou virus
and here's the link,
https://www.mangago.zone/read-manga/hatsujou_virus/

thank you so much!