Self-Cultivation of the Dog-Licking Ex-Boyfriend

[Two male protagonists + abo + ex pulling together + reunion + funny + double cleanliness + sweet pet] [The gentle fishing system is attacked in the upper year × the young master licks the dog in the lower year] Yan Xu was a gentle, easy-going and beautiful Omega. His life was dull and depressing, until a young Alpha recklessly broke into his youth. In the end, they were unable to do anything, casting a layer of gray fog on their youth that could not be removed. Reunited eight years later, Lu Xiyu fell again, and started the self-cultivation and self-strategy of dog-licking...