This is one of 8 (as of 8/31/10) Genshaku Tsundere Danshi Anthology books:

1/2) Genshoku Tsundere Danshi Oresama Cool (3/13/2009)

1/2) Genshoku Tsundere Danshi Oresama Sweet (3/13/2009)

3/4) Gensoku Tsundere Danshi Ikenai Sensei (8/10/2009)

3/4) Genshaku Tsundere Danshi Semekare (8/10/2009)

5) Genshoku Tsundere Danshi Moekare (12/11/2009)

6/7) Genshoku Tsundere Danshi Himitsu no Kareshi (4/13/2010)

6/7) Genshoku Tsundere Danshi Junjou Kareshi (4/13/2010)

8) Genshoku Tsundere Danshi Ubukawa Kareshi (8/11/2010)