Japanese TV superhero which is very popular among kids, Ultraman. It first aired in 1966 and continued over the years. There are Ultraman Tiga, Ultraman Gaia, Ultraman Neos, Ultraman Seven etc., it has different name for each generation of Ultraman.
And one of them, Ultraman Seven appeared in Akihabara, Tokyo and got people’s attention. Many people saw him and posted photos online live.
The superhero must have seem suspicious, as he got questioned by police.