Electromog is right. The picture says the last name is 大塚 Otsuka. The first name is 直樹 Naoki. I searched the name (both 大塚直樹 and Otsuka Naoki) on google but found nothing useful.
Roman Polanski Twerp's actor name is written in Japanese as 這田 ケイスケ. Nerdy's as 奥田 待. I googled their names, but unfortunately couldn't find any related pages.
Mayumi just made her first reference to Tomoe's graduation in her live streaming show. She said she was sad hearing about the graduation. I now think Tomoe is retiring from the industry. The Day Has Come.