"Having water cannons trying to disperse the crowd … I felt like we were being treated like the biggest criminals ever.
"We're just young women trying to raise our voices for peace in Myanmar."
Thinzar Shunlei Yi talks to SBS News. SBS News
She said growing up, democracy activist Aung San Suu Kyi was her idol.
"I am who I am right now because of what she was saying about human rights and democracy," she said.
But that changed when Aung San Suu Kyi became State Counsellor, or Myanmar's de-facto leader, after the country's historic 2015 elections.
Since then, the Noble Peace Prize winner has been accused by rights groups of being complicit in military-led civil conflicts, including a crackdown on the Rohingya people.
"[The new government] didn't meet our expectations and that disappoints us," Thinzar Shunlei Yi said.
Aung San Suu Kyi in June. AAP
She said there are also many challenges of being a young woman speaking out against the government.
"As a young female activist, I get a lot of backlash and discrimination," she said.
Her 10-day visit to Australia coincided with this week's raid of the ABC by the Australian Federal Police.
"[This] not a new thing to me, it happens all the time back in my country … but in Australia," she said.
Asked if she has plans to run in Myanmar's 2020 election, she said, "I have a dream, of course, to be in the politics but right now I feel I don't want to be locked up in the system, that system is a failed system".