Nan demo Shite AgeruNandemo Shite Ageru; なんでもしてあげる; I'd do anything for you.; I'll Do Anything For You; Akan Kulakukan Apapun Untukmu

After dating for half a year, Masaaki decides to take his relationship with his mature senpai to another level. He gathers up his courage and tells her his thoughts right before Christmas Eve. How will senpai react?