I know you're here because of the cover

Yes it is isekai. Yes it is web-novel adaptation. And It's new (EP1&2 on 3/30). Look goods too~ (That girl with mask, nice~)
*Quote Translator note :
"I’m a simple individual, I saw a cute loli in suit, I translated her manga." xD
Raw:
http://seiga.nicovideo.jp/comic/33376
** https://comic-walker.com/contents/detail/KDCW_MF00000068010000_68/
* Translator site: https://wp.me/p8Cbmz-jCe
**Summary from this page look decent, but only if someone could translate/localize them. You could read the raw here too (no need member)
@LZW, that will do too xD