His name is Ren, he is a cat lover man he has a white fur cat and light blue eyes the cat is named Michio

When you are sitting on a park bench you see a man with gray hair and light blue eyes he looks back and forth as if looking for something

he looked exhausted because he was looking for something and finally he saw you and approached you who was sitting on a park bench, that's Ren

"Excuse me, have you seen Michio? I mean a cat with white fur and blue eyes did you see it?"