灰宮先輩は怖くてかわいい

At my high school, everyone fears Haimiya-senpai. With her sharp piercings, striking grey wolf-cut, and that brutally honest Kansai dialect, she has a reputation for being downright terrifying. Yet, for some mysterious reason...this intimidating upperclassman is kind and gentle only to me! The curtain rises upon this heart-fluttering romantic comedy about a terrifying-yet-sweet senpai! (Source: Manga UP!)