broad bean.
It is called ``Sora Bean'' because the fruit grows towards the sky.
It is sometimes written as ``silk bean'' because it becomes delicious when silkworms are producing cocoons.
Come to think of it, the fluff inside the pod looks like a cocoon.
When the beans ripen, the part of the beans that were attached to the pods turns black, which is called ``ogaguro.''
It looks like he's smiling somehow.
The season is from April to June.
I tried to make fava beans look like clouds.