No.
He protects her because of his friend and Kasumi's brother Hayate/Ein.
But Kasumi, i think, likes him. But he doesn't return her feelings,
so nope, Ryu isn't in love with Kasumi
Ryu Hayabusa loves neither Ayane nor Kasumi. He's married to Irene Lew ((canon)).
DOA1: Kasumi DOA2: Hayabusa DOA3: Ayane DOA4: Zack
yes
Kasumi Ninja was created in 1994.
Kasumi Ninja happened in 1994.
Kasumi is a Kunoichi from Dead or Alive Series
Kasumi Nakane was born on April 3, 1982.
Kasumi Takahashi was born on 1980-05-06.
Kasumi - Dead or Alive - was created in 1996.
Kasumi Arimura was born on 1993-02-13.
Kasumi Ishikawa was born on 1993-02-23.
Kasumi Nakane was born on April 3, 1982.