[Sasahara Yuuki] Renshuu. (COMIC LO 2017-10) {Hennojin}

A young girl with short hair and a headband walks home with her uncle, where he casually mentions that the unicycle she always rides is actually an item notorious for awakening a certain something within elementary school girls in fiction. Despite her reluctant protests about how she doesn't need practice, he coaches her through balancing exercises, his attention clearly drifting to her small, developing body and the way her shorts ride up. As she struggles to bend her torso forward, the uncle finds himself utterly captivated, the tension between innocent childhood games and forbidden desire culminating in a heated, trembling encounter.