Yor are "BENTO-NAKER"

Now, You hired yourself out as BENTO-maker!
First, Learn by heart the BENTO's menu.
second, Make some BENTO by drag and drop as order.
If you finish all BENTO, less than current level's regular time, you are promoted next level and to leave more menus.

"All you need is just making BENTO, but don't be relax your guard. BENTO's road is long and steep."