I love the salmon here in Japan, they are fresh and taste great in every way. Fried Salmon is a great bento dish and it doesn't require much time to prepare.
This is how I do it
1. Fry Salmon until the outer layer is slightly crispy
2. Steam Spring Cabbage and Carrot for 3-4 mins
3. Use Bunny Rice Mould and Faces seaweed cutter for Rice balls
4. Cut out Kiwi into flower shapes