Blue (2021)

Both involve boxing. Perservarsnce, Hard work. Guidance from the senior. Family support. Poverty. Sport. Sweat and pain.

Both movie involved main lead in the ring fight.
Lots of action
Both has romance
Love triangle
There are solve side of a tough man

Both movies main male lead are boxer.
Both movie are quite romantic.
Sport related. Tough male lead
There is soft side of tough sport

Both movie has main male lead that is a boxer
Though sport, soft heart
Love romantic story
Drama, heartwarming, Japanese story

Both male lead are boxer.
Tough outside but soft hearted inside.
Heartwarming drama
Full of personality
Underground fight

Both has boxing. Hardworking, determination, life struggle, friendship, tough practise, life changing, sweat and pain,