...Sono Ato Mechakucha Car Sex Shita.

Horny at my sister's seatbelt in between her boobs, my body decided it couldn't take it any more... She twitches like it feels good and looks at me like she wants me too...!?
(Source: Coolmic)
Note: Simultaneously released in long-strip and traditional formats, with 9 episodes and 3 chapters respectively.