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 — First Impression

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

Nazo no Kanojo X (2012), Anime Review

Mysterious Girlfriend X, Nazo no Kanojo X Wiki

Character Comparison 10: Boyfriends/Crushes by ForeverEvanescent on DeviantArt

Review: Mysterious Girlfriend X (Blu-Ray) – Beneath the Tangles

Review: Mysterious Girlfriend X (Blu-Ray) – Beneath the Tangles

Mysterious Girlfriend X – Regret never really disappears

Mysterious Girlfriend X, Mysterious Revisitation Y – Vintagecoats

Mysterious Girlfriend X (TV Series 2012-2012) — The Movie Database (TMDB)

Mysterious Girlfriend X, Kiss by Christophere13 on DeviantArt