MTL - They Regretted it After Their Hearts Turned to Ashes - Chapter 65 fireworks

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

Scheming female assassin transmigrated to become the weak Eldest Miss, her story is wonderful and stunning, attracting peach flowers to blossom open. Cold calculating emperor? Geniusly bad crown prince? Insidious happy-go-lucky prince? Gentle physician? Ice-cold mystery male? Who is her true love? Haha, but she only eats, definitely will not take responsibility! Beautiful men be careful!

On a normal boring day, a message appears, inviting him to a Tutorial.

Two women visits Dong Fang Ao’s home. Both women claim to be his betrothed. The first woman wants to break off their betrothal but she lost the betrothal gift. The second woman is holding the betrothal gift and demands Dong Fang Ao to marry her.

Dong Fang Ao keeps both women as guests in his home to find out who is his real betrothed. He is curious about the secretive Cao Zi Yun. If she is his real betrothed then he wants to keep her by his side forever. But her secret is capable of separating them forever.