My original thread seems to have been deleted so its reupload time.

It was on /h/ tho so thats probably why
(it was my first time using 4chan I see the word "hentai" and assumed everything went there)

anyway her name is Alice Jeong, or Jung depending on what chapter you read,
https://mangahentai.me/manga-hentai/annoying-alice-mgh-0011/chapter-64/
here's the source

I took a panel then nude-filtered her by hand
and then upscaled it using waifu2x

I'll reply to myself with the original