|Volume||Light Novel Volume 6|
The First Time
Birthday (誕生日, Tanjobi) is chapter 65 of the Boku wa Tomodachi ga Sukunai light novel series. It is chapter six of volume six.
After Yukimura and Rika arrived in the club-room after Kodaka and the rest, the Neighbor's Club agreed on doing something else for the cultural festival and put the fortune telling matter aside. The same time, Rika brought with her numerous fortune telling books in case they will ever go with the fortune telling as their activity for the cultural festival. After tackling on the Sengoku Era Generals Fortune Telling suggested by Yukimura, Sena discovered that Kobato's birthday is due in a week. Therefore, the Neighbor's Club agreed on throwing Kobato a birthday party.