Mysterious Girlfriend X (2012)

A newly transferred girl to Akira’s school happens to drool on the desk. The otherwise normal Akira decides to taste it and it is now that things start to change as he will start going out with the girl, Mikoto, whom he seems destined for.

Mysterious Girlfriend X (END) – 94 points

Mysterious Girlfriend X: Season 1 (2012) — The Movie Database (TMDB)

Nazo no Kanojo X Wiki

Nazo no Kanojo X Wiki

ChCse's blog: Mysterious Girlfriend X (2012)

Mysterious Girlfriend X (TV Series 2012) - Episode list - IMDb

Mysterious Girlfriend X, Vol. 1

Mysterious Girlfriend X: Season 1 (2012) — The Movie Database (TMDB)

Mysterious Girlfriend X - Trakt

Nazo no Kanojo X (Mysterious Girlfriend X) - Zerochan Anime Image Board

Mysterious Girlfriend X episodes 1-6 - Review - Anime News Network

Mysterious Girlfriend X (TV Series 2012) - IMDb