|Season 01, Episode 04|
|Air Date||27 October 2007|
Step In is the fourth episode of the first season of KimiKiss: Pure Rouge, which was first broadcast on 27 October 2007.
It's been a month since everyone went to the karaoke box together and Mao is annoyed at Kouichi, who hasn't made any progress with Yuumi.
Meanwhile Mao has been receiving a lot of love letters recently but she only considers them to be a nuisance.