Koishite Nanbo!

From Nagareboshi Manga:

Anri goes after boys like there’s no tomorrow. While going after her current target, Morio-kun, she accidentally gets involved with moody glasses-guy Kiriya. Realizing her opportunity, she tries to force him to go out on a double date with her and Morio-kun. While trying to convince him, Anri finds out that Kiriya has a target of his own–and she wants to help him obtain love!