Kurokiya-San Wants to Lead Him Around by the Nose Volume 1-5-5

I used to have better grades than this fool

3 years ago...

Ruu Kurokiya, a Kuro Gyaru, is on her way to flunking high school. Her childhood friend, Straight-A student Tadao Tadashi volunteers as private tutor to avert her reckless path--but Ruu's more focused on seducing him than learning, and their study sessions soon go wildly astray When a "Gyaru's Pride" clashes with Tadao's "Take-it-Serious" attitude, who knows what will happen next

An unexpected rom-com so pure you can't help but cheer it on