Flash Cycling, an cycling-themed adult game developed by HH WORKS. Released on August 29, 2017. Available for download on DLsite.com for $6.00. For PC Windows 7, 8, and 10. No voice acting.Free demo available.
Roza loves riding her bike. After some nasty cyclists comment on her big butt, Roza takes a good look of herself in the mirror. She gets a funky idea!
Source: N4G PC [NSFW] Hentai Game Review: Flash Cycling – Hentai Reviews