The time has come for Chocola and Vanilla to renew their bell licenses and take the test again. However, after some mishaps at work, Chocola asks the other family nekos to help train her and Vanilla for the exam. After initially getting fooled into doing their chores, the nekos begin to train the duo for the real examination. Azuki and Maple teach outdoor safety, Coconut teaches about containing feline instincts, and Cinnamon teaches about natural human behavior, though each teacher has humorous issues of their own subject...