Vtubers for obscure Japanese sports thing get their own obscure collab in obscure mobile game. Wonder if it's a long term thing or a quick promo.
https://x.com/NanamiMakuri?t=Db0t5oMnhlX7U7gb-4u-zQ&s=09
https://youtube.com/@nanami_makuri?si=pE-fvrKcJRwOKi19