Both movies are sport related.
Both movie showing sport in countryside, out of city environment
Showing pure, simple, joy in sport.
Team work.

Both movies involve the main male lead went out of the city into very poor countryside and regroup the kids who are living in poverty, different background.
Heartwarming movie, must watch

Both Korean movie involve the main male lead and a group of underprivileged children.
The kind soft heart male lead in the countryside leading this kids into their dream
Heartwarming movie indeed

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

Both has a male lead that has no choice but to return to boxing ring for money.
Tough male lead with soft hearted soul
Heartwarming Korean film indeed

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

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

Both movie about a downhill used to be famous player ended up at place out of main city.
The main lead ended up coaching a group of unfortunate kids
Inspired them, motivate them
Sport related

Both has young people get together create beautiful music. They faces many obstacle, challenges, disband, they love music, music in their life, they eventually regroup, making heart warming songs that touches many hearts and soul

Both involve a group of young people form a band. They faces many challenges to continue. He were disbanded, but with some adult support, they shine, their music excel,

Both have a young girl begin as shy, quiet, and intrinsic, but overtime, she shine, her talent discovered. Her sweet voice touches everyone. Shen then faces difficulty to continue, the family, the friendship …