@gosling11
well , here are the sources ( NSFW ) :
page 21 of this chapter : https://www.pixiv.net/en/artworks/53279385
page 25 of this chapter : https://www.pixiv.net/en/artworks/71909316
the images on the pixiv of abubu are free to watch , but you must make an account and turn on R18 contents in your settings .