The Truman Show reimagined in a manga! After his seven sons end their lives through extravagance, the president of a multinational company, Lee, decides to build a perfect town for his eighth son, Roonie. It is a small, peaceful town, and in the special care of his father's men, Roonie grows up to be a good boy. However, when he rescues Yuna passed out in town, romance comes unexpectedly to this naive boy. Yuna is his nemesis, a girl who thinks her father's suicide was caused by his sudden dismissal from Lee's company!

Tomboy Biane's wish for a nice, rich father is realised, and she tries very hard to act a lovely daughter for her new stepfather. However, she has to swallow her anger at her sullen stepbrother Gona, while Gona tolerates his kiss-up stepsister for his ideal stepmother. How can they get along together? Meanwhile, Shion, the boy who has a crush on Biane, burns with jealousy when he mistakenly suspects that Biane and Gona are dating.