Ultraman Trigger filming was going on today near Cocolia Tama-Center in Tama City. Kei Hosogai (Ignis) was spotted at the set and it was raining.
Kei Hosogai had also tweeted about this filming on his Twitter. Here's the translation.
Atleast till now I was not suspected of being a Rainman. But in today's set when my scene came, it began to rain heavily,,. It seems like rain had accumulated till now,,,.