Love Drunk(2011)

Boku no Kawaii Yopparai

Hina has no shortage of girls hitting on him-it's keeping them that's a problem. He starts working at a bar because he falls in love with the food the quiet and unfriendly guy Chi makes there. Hina thinks this will be the start to a new work life outside of his studies... but then... Chi gets drunk and kisses him passionately and really well, too...! Hina feels so awkward about it, he starts avoiding Chi (who doesn't remember kissing him at all) until one day, Chi calls him out on it and makes him talk...!!

(Source: Renta!)