Both movie has music genre. Both somewhat about people grew up with hard life not able to persuade their hobby , now come to life, music still within them

Both has ballet. Japanese one is more about murder mystery, Korean one is more family life drama. Both shown dancers determination, peservarance. Their personal life struggle, friendship..

Both has ballet. Tough competition. Jealousy. Harsh training. Tough practice. Perfect performance. Talent skill. Balance, beauty, expectation, performance..

Both young man have really rough life. They struggled in life but trying hard to persuade their passion and hobby. Both has a male teacher who became their friend, both teacher were divorce. They discovered the young man potential, giving a hand, give the young man a second chance in life

Both young characters were very poor. They both were immigrant. Life was rough. They continue with their passion. They practice hard. . They both need coaching, guidance, support, encouragement and friendship.

Both movies has to do with ballet. Both movies show how hard the ballerina practice. The competition. The reality is harsh to this young dancers.

Both male leads are from wealthy family. They somehow live with female lead, hide their identity. The Japanese one more serious and beautiful cinematography. Soft tone and gentle watch. Chinese one female lead acted like dumb and not realistic.

Both are Korean movies involved married woman, have secret love affair with another man. Sizzling sexual encounters. Strong feeling

Both movies has “Lust” infidelity. Wartime movies. Love affair. Feeling growth. Forbidden love. Beautifully filmed. Sexual content.

Both are war movies. Both are about stranger saving stranger. War is sad, war is brutal. Bromance. Hardship. Taking care of another human

The plot are about the same. Ji Sung in both drama, one was second lead one was main lead. Both partially filmed abroad. Both has gambling genre. Both has romance

Both are about literatures preserve. One is historical beginning, creation of Korean letters and words, the other one is about Japanese Dictionary they both have certain similarity.