Tonari no Onee-san  

Girl Next Door, となりのお姉さん, Miss Next Door, Tonari no Oneesan

Masahiko has a strong desire to remain virgin until he finds his ideal woman again. However, he struggles with remembering who she is due to poor memory. As he dreams about this mystery woman, he may have little control over waiting longer for her. At work, his boss is looking for some action while her husband is away. His childhood friend moves in and leaves him drooling at home. In college, Masahiko becomes the target of both his professor and a sly sexy student stalker who appears in unexpected places. Additionally, Asuka, one of his neighbors, harbors secret fantasies about him, adding to his sexual frustration. Despite all these distractions, can Masahiko hold out for the woman he loves?