The Spiral of Love and Lust

Synopsis

Consists of 8 volumes: Volume 1: Oboreru Tsuki Volume 2: Yasashii Memai Volume 3: Daten no Idenshi Volume 4: Sacrifice Volume 5: Unmei no Rin Volume 6: Kain no In Volume 7: Doukoku no Yoru Volume 8: Prism (source: Baka-Updates)