Toshiue no Hito年上ノ彼女(ヒト); An Older Women; Mysterious Love Comedy

From Anime Waves: The woman Tsutomu encounters in college was older and smaller than he is, and for some reason, looks like the same girl in his dreams. The heart-pounding love affair between him and the "older woman" begins. NOTE: This is a manga for MATURE readers. While it is not a "hentai", it does contain sexual situations and nudity.