The old man's son is the son of the old man. In episode 2 he is very angry at Kawazu for only offering flowers in lieu of not paying his medical bills.

He is seen with his wife, son and daughter in episode 12.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.