My Boyfriend, the Fountain Pen Spirit

When Saku takes her deceased grandfather's glass fountain pen in her hand and draws with it, she has no idea that she is summoning the spirit that resides in the pen. The gorgeous male spirit stands in front of her and tells her she is to be his master, and that he will do anything her heart desires... cook, clean... even be her boyfriend! Will she take him up on it? A magical story about a spirit and a college student living together!