Time Travel Failed, the Beautiful Master Tried to Trick Me?

[Single female protagonist + master and apprentice + system + sweet text + female protagonist with many scenes] As a social creature, Yu Sui finally woke up to the system when he was in poverty. The system can take him back twenty years ago and start a new life. However, an accident occurred when the unscrupulous system traveled through time, and it actually led Yu Sui to the world of cultivation, and abandoned Yu Sui for fifteen years! When Yu Sui landed, he was accepted as a disciple by Su Qingyue, the beautiful Supreme Elder of the Demon Sect. Yu Sui was filled with pain and happiness... After struggling for fifteen years, the system finally arrived. However, the seemingly cold master seems to have his own little thoughts? What seems like an unexpected time travel, seems to be more than that? Never mind! No matter what he does, facing the master who fell in love with her at first sight and got along with her day and night, business matters are more important. I want to make a decision on this daughter-in-law! This world is so big, I want to see it with Master. Su Qingyue: "Disciple, what is the most important thing as a disciple?" Yu Sui: "Filial piety!" Many years later, under the sunset in the evening. Su Qingyue rested her head on Yu Sui's lap. Su Qingyue: "Disciple, what is the most important thing about eating soft food?" Yu Sui: "Patience!" Night falls. Su Qingyue: "Husband, it's getting late, we'd better rest early..." Yu Sui: "Madam... You and I are both advanced monks, so we don't have to sleep this night... Eh? Madam! Don't pull me..."