Korea Chocolat​e Mochi​ Bread, Easy​ and​ delicious

Ingredients
160 ml Milk
50 g Melted.Butter
40​ g​ Sugar
1/2 tsp Salt
1/2 tsp​ Baking​ Powder​
40 g All Purpose Flour
120 g Tapioca Flour
20​ g​ Cocoa​ Powder​
1 Egg
Black Sesame.or Perilla​Seed