Cut the chicken into bite-sized pieces.
Slice the sausages thinly.
Cut the kimchi into bite-sized pieces.
Add oil to a pan and stir-fry the chicken.
When the chicken is half cooked, add the sausages and kimchi and stir-fry together.
Add the sauce (gochujang, soy sauce, sugar, etc.) and mix well while stir-frying.
When everything is cooked through, finish by adding sesame oil.