The pic before this
http://www.mangago.zone/read-manga/hyakujitsu_no_bara/ i think its this I’m not 100% sure but at least I can say I tried! ٩(๑❛ᴗ❛๑)۶
I think it might be something by Tennouji Mio but im not sure. The art style seems super similar ╮(￣▽￣)╭
They are characters from the following story, but the things they wear in the picture is just for a special Artwork.
https://myreadingmanga.info/tennouji-mio-hatsujou-virus-eng/
What manga is this???
http://www.mangago.zone/read-manga/kare_to_kare_no_ijiwaru_na_kyori/sa/manga/kare_to_kare_no_ijiwaru_na_kyori/c006/pg-3/