Chicken sushi stacks

Ingredients:

• 6 chicken legs, skinless and boneless
• 250 g sushi rice
• 2 tablespoon rice vinegar
• 2 tablespoon sugar
• 1 tablespoon salt
• 75 ml teriyaki sauce
• 1 tablespoon cornflour
• 1 tablespoon wasabi paste
• 2 tablespoon sesame oil
• 6 radishes
• 1 avocado
• 1 lime
• 1 small cucumber
• 1/2 bunch chives
• 1 tablespoon black sesame seeds
• Mint leaves for decoration
• Soy sauce at will
• Pickled ginger at will