Say, 'I Love You' volume 3 features story and art by Kanae Hazuki.

It's hard for the once-loner Mei to believe that she's been going out with Yamato for six whole months! He's taught her a lot about how sweet love can be, but now she's about to learn a new lesson: love can be war!

When a serious rival arises for Yamato's affections (and a roundhouse kick isn't an option), how will Mei handle it? Let the battle begin!