Hoshimachi Suisei to Throw First Pitch, Hatsune Miku to Appear at Lotte Marines Game
The event brings together a Hololive VTuber and the virtual singer Hatsune Miku for a live baseball appearance, both of whom star in Lotte ice cream commercials.
Reporting from 1 source: Inside.
The Chiba Lotte Marines will host a sponsored game day on July 20, 2026, featuring Hoshimachi Suisei and Hatsune Miku. Suisei will throw the ceremonial first pitch before the game against the Fukuoka SoftBank Hawks, while Miku will appear on the stadium vision. Suisei said she aims for a fastball and will cheer the crowd.
The Chiba Lotte Marines announced a sponsored game day titled "Cool and Blue, Summer is Here. Coolish & Sou DAY" on July 20 at ZOZO Marine Stadium. The event is backed by Lotte's two ice cream brands, Coolish and Sou, which feature Hoshimachi Suisei and Hatsune Miku in their television commercials. Suisei will take the mound for the ceremonial first pitch around 4:45 p.m., and Miku will join the support from the stadium's video screens. The game starts at 5 p.m. against the Fukuoka SoftBank Hawks.
Synthesized by Yomimono from the 1 cited source below, including Japanese-language reporting where cited, then editorially reviewed before publishing.