Ambiguous tag.
- For the artist formerly tagged here, see Tenshou Ryuu (Gensou Ryuukan).
- For some potential artists named koota/kouta: koota_* | *_koota | kouta_* | *_kouta
- For some characters named koota/kouta: koota_* | *_koota | kouta_* | *_kouta
- For some copyrights named koota/kouta: koota_* | *_koota | kouta_* | *_kouta