her pupils changed after drinking it O.O

what's the sauce of the image above?

i think its Heart-Pounding Excitement at Mononoke Girls' Academy ^3^

https://dynasty-scans.com/series/heart_pounding_excitement_at_mononoke_girls_academy

lol that last page reminded me of this:
https://dynasty-scans.com/chapters/my_daughter_has_been_hiding_mother_daughter_incest_porn_books#11

i tried (¬‿¬)
http://oi42.tinypic.com/33li42o.jpg