Gatcha Gacha(2001)

Gaccha Gacha

Yuri and Motoko are friends. Yuri has a crush on Yabe, but Yabe's decided the only girl he will ever seriously date is Motoko. But she doesn't want to have anything to do with him. Or is she secretly harboring a crush on him, too?

(Source: Tokyopop)

Note: Volume 4 contains a side story.