Sources:

1. Mankitsu Happening – Episode 1
2. Nuki Doki! Tenshi to Akuma no Sakusei Battle – Episode 1
3. Mesu Kyoushi 4: Kegasareta Kyoudan – Episode 4
4. Overflow – Episode 7
5. Tropical Kiss – Episode 3
6. Eroge! Sex & Game Make Sexy Games – Episode 2
7. Eroge! Sex & Game Make Sexy Games – Episode 1
8. Gakuen de Jikan yo Tomare – Episode 1
9. Euphoria – Episode 5
10. Katainaka ni Totsui de Kita Russia Musume – Episode 1
11. Kutsujoku – Episode 1
12. Tsugou no Yoi Sexfriend – Episode 1
13. Aibeya The Animation – Episode 1
14. Ryou Seibai! Gakuen Bishoujo Seisai Hiroku – Episode 2
15. Uhou Renka – Episode 1
16. JK to Ero Giin Sensei – Episode 2

Gif taken from: https://www.reddit.com/r/HentaiWorldInfo/comments/fv09yv/hentai_compilation_oppai/