Hanasakeru Seishōnen is a Japanese manga series written and illustrated by Natsumi Itsuki. Set in the modern era, the story follows the path to romance of fourteen-year-old Kajika Burnsworth, daughter of powerful industrialist Harry Burnsworth, owner of the Burnsworth international conglomerate giant. Kajika agrees to participate in a "marriage game" with her father, in which she must select her future husband out of three men that her father has supposedly preselected for her.

LaLa is a monthly Japanese shōjo manga magazine published by Hakusensha on the 24th of each month. The magazine's bonus contents are usually calendars for New Year issues, drama CDs, and so on. In a 2006 survey conducted by Oricon, Japanese girls selected LaLa as their fifth favorite manga anthology, along with Shogakukan's Shōjo Comic and Kodansha's Weekly Shōnen Magazine.