Watanuki-san ni wa Boku ga Tarinai

The romantic comedy centers on the beautiful and witty high school student Watanuki Reira. She and others around her notice her fastidiousness. One day, Watanuki disguises herself as the lovable male classmate Sangatsu Owaru. Reira faces new challenges as she continues the experiment and sees life from a different perspective.

(Source: ANN)