Oh wow, these are amazing. The first bamboo in a wind is my fav. I tried to draw bamboo few times, but it's nowhere near your level. I guess I ll stick to calligraphy.
Only one thing if I may. Try not using katakana in works, it does not look good. Hiragana is more than welcome but in cursive script. You should also start studying calligraphy too. That kaze kanji is a bit rough.
I really like your signature though. It has a nice flow. It's relaxed yet certain. Is the first kanji 天？ What' your pen name?
You've got great talent, keep it up!
Here is my attempt:
