"Envelope", also known as "The Late Owl" [I really don't know which name is better, so I am timid and add another name here←_←
Fourteen-year-old Cheng Cheng has a shallow scar on his forehead.
Fifteen-year-old Cheng Cheng has a thin layer of bangs on his forehead.
Sixteen-year-old Cheng Cheng likes to put his heartfelt words in various envelopes and send them to someone signed D.
Seventeen-year-old Cheng Cheng found the owl that held her important wish but had been lost for three years.
The small piece of letter paper carries a thousand words that cannot be expressed in words, and the small envelope contains countless ties that are constantly being cut. Fortunately, the owl in my heart has not lost its way.