Dokiwaku Summer Festival
Choko is excited about attending her first summer festival. She quickly gets lost and separated from Haruma and Chiguse, but soon she meets Kakeru, and later Yurika, who has decided to come to a 'commoner' event accompanied by her maid. Yurika gets jealous seeing Choko and Kakeru together. In the end everyone re-unites and they watch fireworks.
Aired 25/10/2006EP 16 - Dokiwaku Summer Festival
Chocotto Sister
Haruma Kawagoe is an only child. A long time ago, at Christmas time, his mother miscarried the child that was to have been his baby sister. That night, young Haruma knelt down and offered up an earnest prayer: "Please make my mother well again, and please give me a little sister." Years have passed, and Haruma has nearly forgotten his prayer. But Santa hasn't.... one Christmas, when Haruma is least expecting it, he gets an unusual present - his sister.
(Source: Anime News Network)