Bentou

Bentou (or Bentō) is a single-portion takeout or home-packed meal common in Japanese cuisine. It's occurance in MegaTokyo is usually of the Hokaben type, readily available at convenience stores and easily heated in a microwave.

Piro eats bentou, described as a 'Convenience Store Box Lunch', on a park bench as dinner in Chapter 4.

After the gang clean up the store, Yanagisawa rewards the crew with cheap 7-11 Bentou and b33r. Largo is suspicious.