41 - If I Can't Pet One... When Kaorin shows off pictures of her cats at school, Sakaki gets an idea. 42 - 11 Years Old Chiyo announces that she will soon be turning eleven. 43 - Mr. Kitty Cat With Chiyo's birthday coming up, Sakaki searches for the perfect gift. 44 - Premise The girls gather at Chiyo's house for a birthday party. 45 - Why? After the party, the girls go for a walk together.