[Celis] Prologue to CherryBoy Quest 2
[Hyo-dou (Hyji)] Boku Ga Okasanto Konna Koto Ni Natchau Hanashi Joshou | The story of how i wound up like this with my mother (prologue) [English] [innyinny]
Yuusha, misogitabi -prologue- | 용사, 속죄여행 -prologue-
[Urban Doujin Magazine/NAPPI] Mousou Tokusatsu Series Ultra Madam: Prologue [ENGLISH]
Prolog + Falsehood Ch. 1-5
(SC2017 Autumn) [Happy Birthday (MARUchang)] Hissei Satsuki Prologue (Fate/Grand Order) [English] [Futatsu Scans]