Yui Kozato has always been sensitive about her height. Standing beside her classmate and crush Keiji, she often feels inferior, which is only exacerbated by the fact that he teases her relentlessly. When Yui sees the model Rena Kurusu in a magazine, she can't help but envy her slender legs and tall height.

Encouraged by her friends, Yui makes up her mind to follow Keiji home and confess, but this plan is thrown out the window when she runs into Rena coming out of his room!