So I recorded new materials today and here are the results: New room, new mic placement and distance + there is a blanket behind me (someone told me, it helps). Raw tracks without any effects.
Now I know, where the problem was. When I choose multitrack recording, then all tracks are in mono. Now I set a different setup from menu. So now it is Stereo Rode L and Rode R and Lewitt in C (mono).
https://soundcloud.com/luk-leng-l/new-record/s-odptR
And here is my previous record (the one, we're discussing about). I left AKG and Line and now it is the same. Stereo Rode L and R and Lewitt in C (mono).
https://soundcloud.com/luk-leng-l/old-record/s-uVNKR
It definitely sounds more alive than before.