Ten years later, Sawada Tsunayoshi decided to expel all the guardians from Vongola. By coincidence, he came to ten years ago. In the entanglement with the young guardians and himself (in fact, he did not), he decided to appreciate the beauty of life and prepared to be a hard-working gardener and experience the life he had never experienced. Then he discovered that there was a big cat in the class named Kikumaru Eiji, and there was a smiling genius named Fuji Shusuke. The school where he applied for a job was called Youth Academy, or Qingxue for short...