Rice - in a rice cooker with timer, so just needs scooped
Natto - from a package
Pumpkin - been made already, prolly leftover from previous night's dinner
Cucumbers - same (those are not fresh, they are in a vinegary sauce)
Eggs -take 5 min, wife makes them every morning
Miso soup - leftover from previous night's dinner
Salmon - leftover from previous night's dinner, or from little "bento sized" frozen packaged & microwaved
The "real" meal is elaborate, but as you can see from above, a lot of it is left over from last night or night before, constantly mixed in for variety
These days, my older girl settles for toast :-)