One day, a tiny kitten named Chi is discovered by a young boy called Youhei and his mother. They decide to take her home, even though their apartment forbids pets. Chi, Youhei, and his parents treasure the moments they share while forming new friendships, creating fond memories, and enjoying joyful times together. Their bond grows stronger each day, and the kitten's playful spirit brings warmth to their modest apartment. These brief escapades focus on Chi"s everyday life with her family, as well as the many companions they meet along the journey. Whatever mischief Chi finds herself in, she knows her family will forever love her.