From Tokyopop:

After a near-fatal car accident, surgeons rebuilt Reiji with prosthetic parts and renamed him Himejima Kazemichi. It was a second chance at life... but there was no guarantee that his new body would last. As his artificial heart runs down, Kazemichi embarks on a journey to discover what his life really means, and live -- and love -- to the fullest. Along the way, he uncovers dark secrets about his past... including the organization that was responsible for resurrecting him...

From Serenus-Dreamers:

1. Ageha
Yuuri and Miu had always been best friends. They tried hard together to become fashion models. However, Miu got to debut first, and their relationship started to break down. Surging dark feelings and jealousy... what is there beyond Yuuri’s agony…?!

2. Eternal Rainbow

3. Kiss Me, Baby