Chobits: Chibits
English name: Chobits: Chibits - Sumomo and Kotoko Deliver
Genres: Comedy, Romance
Type: Special, Episodes: 1
Aired: Jun 27, 2003
Studio: Madhouse
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
When Hideki Motosuwa leaves his apartment and accidentally forgets his wallet, Chii takes the wallet and follows him, leaving Sumomo and Kotoko alone in the apartment. It doesn’t take long time until Sumomo discovers that Chii forgot her panties, so Sumomo and Kotoko sets out on an adventurous trip to return the panties to Chii.

(Source: ANN)