Now that the mother cat and her two newborn kittens at Taiyo's family's home are safe, Taiyo can return to his regular life. He decides to visit his friend from high school, Touya, and check up on the kitten he took in. Though Taiyo rescued and nursed her back to health, it seems Konatsu doesn't remember him. Meanwhile, Taiyo's older brother continues to struggle with raising cats for the first time. There's only one person who can help: Utako!