He uses F and H evenly, think he switches depending on matchup
Also, on the results page, they had an exhibition 3on3. Teams were:
Yu(VSion), Tetsuya(Ciel), Nakau(Kohaku)
Kou(Miyako), GO1(VSion), Tetsu(Akiha)
Nemunyan(Satsuki), tsujisosu(Warc), Shuu(VAkiha)
Yoshino(Ren), Kirito(Akiha), SAT(Nero)
Nakau team ended up winning this