KAT

The original 3 chapters of Naniwa, later got adopted into a series.

Updating...

Sawarati is pretty down and disappointed with his recent divorce due to erectile dysfunction. Lately, he found himselft going to meals with his cheerful subordinate who keeps saying how much he admires him. However he overheard the same guy gossiping with another employee and making fun of his ED behind his back. Incensed, he planned a revenge. Japanese version: https://manhuascan.com/title/134093-too-drunk-to-hard-on