Author has written 9 stories for Hetalia - Axis Powers, D.Gray-Man, Cuticle Detective/キューティクル探偵因幡, Attack on Titan/進撃の巨人, Karneval/カーニヴァル, and Kagerou Days/カゲロウデイズ.
I'm just going to make this quick and easy:
Language: Vietnamese, English ( Not very good with grammar sometimes, but it's pretty accurate. )
Top 5 Favourite animes/manga:
Pretty much it, I have nothing else to say now, Tata