Takane no Hana-san (Season 1)

A cold-looking business woman constantly mocks and degrades her coworker for his mistakes during work. But secretly she's madly in love with him!

Takamine Hana is a super ace employee at a traditional confectionary company. Despite her elite look and high performance, Hana only has love skills of a fifth grader. Hana has recently fell in love with Yowaki Tsuyoshi, a young employee who always gets scolded. Can Hana make Tsuyoshi like her back? Will a love bloom between the two?