Shiraishi

Shiraishi (白石) is Rena Sayama's manager. He is a character exclusive to the 2019 anime ULTRAMAN, and is not present in the original manga.

ULTRAMAN
As Shiraishi was driving Rena somewhere, traffic suddenly stopped and people were running away due to Alien Adacic's fight with Ultraman. When he and Rena realized what was going on, he tried to get her to escape but Rena stayed behind to cheer on Ultraman instead.