Nekopara OVA Extra

Six months before the opening of the patisserie La Soleil, Chocola and Vanilla are still kittens trying to fit into the Minazuki household. As the two youngest catgirls under Kashou and Shigure's care, the two learn from and mature alongside four other catgirls⁠—Azuki, Maple, Cinnamon, and Coconut⁠⁠. Soon, they approach their first Christmas together as a family. Source MyAnimeList