18+ Boku wa Mini ni Koishiteru

Takawaka Ichirou is a young office worker with a crush on a fellow employee named Fukamachi Haruka, and she has some feelings for him as well. They work at a company that makes auto parts, but they're nothing compared to Ichirou's beloved Mini Cooper. When he was in college he would race his little car against super cars and win. Can he use those skills to win Haruka's heart?

Included one-shot:
Volume 6: Nihonichi no Kuruma-uri!!