Shutter Love by Ozaki Mari - The story of two school friends Maki and Yumi. Asai, a young professional photographer, notices Maki who is very talented in photography. He introduces his girlfriend, Sai, to her. Sai is also a photographer, but she's not motivated anymore... But when love interferes with their lives everything is in turmoil... Between abuse and feelings, prepare to dive in an unforgettable story. - mangaupdates.com