Jiang Han was well aware that the forces backing the little boy and girl were not weak. If he got involved, it would be easy to get caught up in trouble.
When immortals fight, a mortal like him getting involved could lead to disaster.
But...
The little girl, with her delicate and fragile appearance, reminded him so much of Jiang Li. Moreover, the little boy had a stone gambling expert by his side, while the little girl was alone. This was clearly bullying.