So someone was sharing the raws of Kagaku Na Yatsura on E Hentai, however the Comic Red company is trying to remove them
If you want them I recommend grabbing them from this link
In the mean time I'll be sharing some nice lewds from this fun ecchi series

Volume 1
https://e-hentai.org/g/1706635/6ffecffc22/

Volume 2
https://e-hentai.org/g/1706640/4fa183cfcf/

Volume 3
https://e-hentai.org/g/1706642/13632eb8fc/

Volume 4
https://e-hentai.org/g/1706649/74d669c657/

Volume 5
https://e-hentai.org/g/1706656/b7c442c163/

Volume 6
https://e-hentai.org/g/1706662/54457d7646/