Fuwa, Shigehisa

不破重久

Shigehisa Fuwa is a wealthy former ambassador to whom Sachiko Kasukabe owes a significant debt. He harbors a deep-seated grudge against the Kasukabe family.

Spoiler

Whenever Fuwa appears, he tries to make things difficult for Hayato and the cafe staff due to his petty grudge. His grandson even boasts that Fuwa has connections with the police, allowing him to act as he pleases while causing trouble for Hayato.