Schedule Slip: The author, Miki Yoshikawa, usually mentions that she fails to reach the deadline in her commentaries.
The Drama provides example of:
Dawson Casting: Haruna Kawaguchi (Himeji), is a rare aversion, as she was really 15 at the time (being born in 1995). And already taller (166 cm) than the actress playing Hana.
Hiroki Narimiya (Shinagawa) was 28 at the time. The actors playing Hana, Izumi and Chiba were between 20 and 22.