寄信人是誰？
寄信人是誰？
Guarda 寄信人是誰？ su StreamingCommunity. A detective team receives a mysterious anonymous letter claiming the sender stole their magnifying glass, along with a riddle. Lucky and his friend John embark on a journey from the classroom to the playground, finally reaching the field where they discover the last clue has been taken by the school bully.
