They have a pretty long history with Japan and Japanese players, but since signing Ohtani for $700 million last year they've been amping things up. They got Yoshinobu Yamamoto, they're selling Dodgers wine in Japan, they've partnered with Daiso, All Nippon Airways, and a few other Japanese companies.
So it kinda makes sense they'd partner with Hololive, who are hardly strangers to baseball collaborations:
