The Final Task: Use the System to Promote the Son-In-Law's Article

"The system prompts that this time travel theme is a son-in-law story!" "The system prompts that there are no mission requirements this time!" "The system prompts that this mission is the last one. After the mission is completed, the host will return to the original time and space!" "The system prompts to unlock the permission to use all previous mission props!" "Come on young man, start your last carnival before returning to your hometown!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.