i think thats vincent valentine becasue zacks hair was shorter and it was spiky

Zack's eyes aren't red either.

Inserted parody tag since the pose imitates Tifa's official art pose.

omg this picture make me feel aroused. does that mean i gay?

if your not a fangirl it makes you confused, which may lead to homosexuality.
Advised: take many searches of "tifa breasts", "tifa ass", "tifa not_a_man_or_homo_or_anything_weird_and_stuff" and similar things if you are concerned about your mental health.