Buds of Love
Haruma is ignoring Ayano because of what happened that night. When Kazuya comes to get his ring from Ayano, Haruma shows up to stop it. Ayano tells him about her and Kazuya. The next day he gets flowers as a gift from Ayano and he goes shopping with Choco to get a watering pot
Aired 06/09/2006EP 9 - Buds of Love

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)