This is a story of time travel + fighting against a mistress (actually, it seems that he is the mistress) + a pair of guest stars in BL. .
In fact, 60% of them are true stories =. =
The remaining 35% did not happen in reality, Mustard stubbornly continued to happen as expected =. =
The other 5% are modifications to cater to the background of the era from the 27th year of Hongwu to the 3rd year of Yongle =. =