RidebackRideback.

Rideback (stylized as RɪᴅᴇBᴀᴄᴋ) is a Japanese manga series written and illustrated by Tetsurō Kasahara. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from April 2003 to October 2008, with its chapters collected in ten tankōbon volumes. Set in Japan in the 2020s, it follows the story of college student Rin Ogata, as she comes across a two-wheeled automobile robot known as a Rideback.