lookin for manga

[Hachikuji-san]

One of the main aspects is that it was a city isekai? like the main character is ~a junior high student seeing a girl jump off a building while seeing a man with a smiley face mask chasing her

 

[alpanda]

I think you're looking for: https://mangadex.org/title/39643/tenkuu-shinpan-arrive

 

[Hachikuji-san]

@alpanda yes thank you