Rosa Kato plays the type-A Yukie, an OL in the accounting department of a small firm, while Naoki Nokubo plays her partner. Yumiko Shaku (type-B) is a successful drama screenwriter, pairing up with Hiroyuki Miyasako. Yu Kashii (type-O) is a freeter whose partner is played by Taiwanese actor Wilson Chen. Asami Mizukawa plays the last Yukie (type-AB), a university student. She is teaming up with TOKIO's Shigeru Joshima.