Another main in this bento is a kind of SPAM MUSUBI. Spam musubi is an onigiri popular in Hawaii and Okinawa. But I didn't use any spam but hot dogs this time. In fact I've never bought a can of spam, usually use a pack of pork sausage. Both should go well with rice. Also this bento contains ketchup chicken.
For those unfamiliar with spam musubi I'd like to share my own way.
1) Sear sliced spam or sausage (whatever you like) in a frying pan, then flavor it with a little soy sauce.
2) Make a thin tamagoyaki, then cut it into right size sheets.
3) Make some plain musubi (onigiri) into your favorite shape, then sprinkle a few pinches of salt on it.
4) Put the tamagoyaki sheet and the seared spam (or sausage) on the musubi, then wrap nori around it.
DONE!! It would be a nice snack for both kids and adults.