Gokushufudo (The Way of the House Husband)

The way of househusband:
Once known as the “Immortal Tatsu,” the legendary yakuza that beat a rival gang by himself, Tatsu now has a slight change in occupation as a househusband. He had a devoted stay-at-home husband has to deal with his fair share of battles (at supermarket sales) and clean up dirty messes (in the kitchen).

Link From: https://mangakitsune.com/manga/gokushufudou-the-way-of-the-house-husband/