Kentarou "Yoshiken" Yoshii
About
One of the elderly tenants of the housing complex, he is often seen with Taka and Koba. It is said by Koba in episode 1 that he is nearly 80 years old. He is a retired security guard that also served in the military. Like all the elderly tenants, he shows affection for Kimi and dotes on her constantly.
He acts as a night watchman for the housing complex and goes missing at the end of episode 2, along with his wife, leaving only mossy piles behind.
(Source: toonami.fandom.com)