>>7505256>Ina speaks better Japanese without even having that experience.Ina has the advantage of already being fluent in Korean. Which means it took no effort for her brain to get used to Japanese grammar and sentence structure. That and she's a turbo weeb.
https://www.youtube.com/watch?v=v6LhzzktFG8This is how Mori sounds to natives when she speaks Japanese (the beginning obviously).