Eternal Love Rain (2020)

In both dramas Male Leads's are dragons who travel to mortal world and fell in love with Female Leads's
These both have lot of similarity's and don't want to spoil the fun just watch them

Both are fantasies about a love story between a dragon (FL vs. ML) and a human.
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Both are fantasy dramas with a dragon character and a sweet FL. Both MLs are initially cold and emotionless but slowly become warmer through their relationship with the FL.

- ML are related dragons who help to solve crisis for their tripe. they fall in love a long the way.
- uhm, the ending

Yuan Zhong is a fox high priest. He is an immortal who possesses the divine hand. With it, he defeated the ghost clan and brought an era of prosperity. Jin Tan Yin is an artisan goddess who makes magical artifacts. She descended to earth to kill Yuan Zhong and get back the divine hand of the god Tang Hua. Yuan Zhong is harassed by his own fox clan and Jin Tan Yin decides to help and protect him. The two of them will have to face personal enemies, and a secret will be discovered. Yuan Zhong rescues Jin Tan Yin from a trap. Reunited again, the pair of lovers join forces to defeat their enemies and restore order in the world.

Source: (Baidu /TvMao)

They are both romantic dramas where their love is so strong that they can do anything to protect their love even sacrificing their soul, heart or life.

Both are fantasy/historical dramas that portray a love story between a dragon ML and a human FL.
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In order to save human lives, a dragon prince takes on the task of ending the drought. He falls in love with a young woman, yet finds himself stuck on land for 500 years after she goes missing with his inverted dragon scale.

Because of a severe drought, the rivers and seas have dried and the people have been suffering. Ning Xiu Rui is the second prince of the Dragon clan. On his journey to land, he falls in love a young girl from a fishing village and gifts her his inverted dragon scale as a token of their union. As the drought comes to an end, Ning Xiu Rui realizes that both the girl and his inverted dragon scale are nowhere to be found. Ning Xiu Rui learns that the young girl escaped in the middle of the night. Thinking that he has been duped, Ning Xiu Rui is left to wander the lands because he is unable to return home without his dragon scale.

Five hundred years later just when Ning Xiu Rui was at the verge of giving up, he suddenly senses his inverted dragon scale. At the same time, a woman named Su Yin Yin who looks just like the swindler who fooled him appears once more.