Donburi-mono (a bowl of boiled rice with ingredients on top)
Donburi (丼, also romanized as Domburi) is a general term for "bowl". However, it also popularly refers to a bowl of cooked rice with some other food served on top of it. There exist a variety of donburi dishes, differing in their toppings. Some of the most popular ones are listed below
Oyakodon (Oyako Donburi) Mother and Child Donburi The name of this popular donburi dish comes from its two main ingredients, chicken and egg. Rarely, you may also encounter an Oyakodon featuring salmon and ikura (salmon eggs), instead.
Katsudon (Tonkatsu Donburi) Pork Cutlet Donburi Katsudon is served with tonkatsu (deep fried breaded pork cutlet), egg and onions on top of the rice.
Kaisendon (Kaisen Donburi) Seafood Donburi Kaisendon are topped with a variety of fresh, mainly raw seafood. The selection depends on location and season, but often includes tuna (maguro), shrimps (ebi), salmon roe (ikura), sea urchin (uni) or crab (kani).
Gyudon (Gyuniku Donburi) Beef Donburi Gyudon, a bowl of cooked rice with beef, is very popular as an inexpensive type of fast food served at chain stores across the country.
Tendon (Tempura Donburi) Tempura Donburi Tempura are deep fried pieces of battered seafood and vegetables. Various tempura pieces are dipped into a soya based sauce before served on top of the rice.
Unadon (Unagi Donburi) Eel Donburi The eel is grilled and prepared in a thick soya based sauce before served on top of the cooked rice.
Besides the donburi dishes introduced above, there exist many more varieties.
my link Kome (Rice)