Komada-san wo Komarasetai(2021)

Komada-san wo Komarasetai

Komada-san is a petite high school girl who is easily flustered. Her junior, Kagai-san, who is big in many ways, is always teasing Komada-san and causing her trouble! There is only one reason for Kagai-san to be messing with her, because....

(Source: Comic Gamma Plus, translated)