[Kiya Shii] Awa no Ohime-sama # 5 Onnanoko no Hi Zenpen | Bubble Princess #5 Everyone's that day - Prequel (Digital Puni Pedo! Vol. 05) [English] [ATF] [Decensored]

[Shiwasu No Okina] Enkou Ojisan | Mister Enkou: The Prequel (Ero Pippi) [English]

(COMITIA116) [Otaku Beam (Ootsuka Mahiro)] Stay by Me Zenjitsutan Fragile S - Stay by me "Prequel" [Fragile・S] [Chinese] [炒鸡战士汉化组]

夏日男子筋肉潛艇堡 (Summer's end Muscle Heat - The Boys Of Summer 2015) by 大雄 (Da Sexy Xiong) + Bonus Prequel [CH]

(COMITIA116) [Otaku Beam (Ootsuka Mahiro)] Stay by Me Zenjitsutan Fragile S - Stay by me "Prequel" [Fragile・S]

(COMITIA116) [Otaku Beam (Ootsuka Mahiro)] Stay by Me Zenjitsutan Fragile S - Stay by me "Prequel" [Fragile・S] [Chinese] [漢化組漢化組]

[clone Ningen] Y-yama-ke no Kettou | "Y" Mountain Villa's Lineage (Prequel) Side A+B (COMIC Megastore Alpha 2017-09) [English] [Laruffii] [Digital]

[Nobi Nobita] The Boys Of Summer Bonus Prequel

(C72) [Oiwaidou (Iwasaki Tatsuya)] Zenseiki no Evangelicosan (Kouhen) | Last Century's Evangelicosan (Prequel) (Neon Genesis Evangelion) [English] [EHCOVE]

(COMITIA116) [Otaku Beam (Ootsuka Mahiro)] Stay by Me Zenjitsutan Fragile S - Stay by me "Prequel" [Fragile・S] [English] [GununuFapAgency]