Say I Love You Vol. 4 (manga)

Surviving the first major battle in her relationship with Yamato Kurosawa, Mei feels her ties with her first-ever boyfriend are deeper than ever. But then a budding model with her eyes on Yamato moves into town, and draws the photogenic Yamato into the world of photo shoots and fashion. Now Mei has to grapple with the painful pangs of jealousy, and a creeping fear that she might be left alone yet again...