Pop☆Step (Kazuho Haneyama) from My Hero Academia: Vigilantes is generally understood to be around 14–15 years old during the main events of the story, meaning she is a minor.

Pop Step’s Age Explained

  • Pop Step is shown in a Japanese middle school uniform, and middle school students in Japan are usually between 12 and 15 years old.
  • Multiple analyses and discussions narrow her age down to about 14–15, since she appears older than a 12–13-year-old but is still clearly in middle school.
  • Articles and commentary tied to Vigilantes Season 1 describe her as “around 14 to 15 years old,” reinforcing that range as the accepted interpretation.
  • Fans have even broken down in-universe timelines and birthdays (including her May 28 birthday) to argue she is one of the older students in her year, again landing around 14–15.

So, if you’re searching “how old is Pop Step MHA,” the safest, fandom-backed answer is: she’s about 14–15 years old during My Hero Academia: Vigilantes , and she is not an adult.

Information gathered from public forums or data available on the internet and portrayed here.