So, I Can't Play H! (2012)

Ryousuke Kaga is a love-struck high school student whose life takes a dark turn when he encounters a stunning girl with red eyes in the rain. While others shy away from her, Ryousuke, raised to respect women, brings her to his home to dry off. However, he never expects the encounter to spiral into chaos when she suddenly stabs him. As he grapples with his fate, questions arise about her true intentions and identity. What secrets does this enigmatic girl hold, and how will it change Ryousuke's life forever?