Let's see if I can figure out why I have a similar reaction... First two disclaimers:
1) I *love* your work! So please don't take this the wrong way. Oh, and please do keep up that daily posting!
2) I am by no means an artist myself, and probably am about as ignorant or more about anime than those nitwits that ask you "So you like that Japanese stuff, huh?"
That being said, let me try and tease out some elements of your style that remind me of "that japanese stuff"

:
- The eyes: big and expressive, with characteristically arched eyebrows
- Simplified facial structure, as in the 03/06 drawing with the almost triangular face.
- The hair - yup! Mainly when you draw it using big spiky strands, as in the 03/06 or 02/28 drawings (the one on the right). Real hair just doesn't behave that way, unless there's a mass of gel is involved...
- Somewhat exxagerrated body proportions, especially the elongated legs (see 02/28, 03/02, 03/06)
- *Everybody* is pretty and in their teens or twenties
As you mentioned in one of the earlier posts, it might be a good exercise to practice drawing older faces and less ideal body types.
Gotta run... I'll try and post a ranking later of which of your drawings so far I find most versus least anime-influenced. Maybe that might help.