1. The names are Sano Harumi (which also translates to spring beauty, it's the blonde one) and for the black haired guy Nakatomi Katsuo where the
First name means: "Victorious child."
2. The blonde one is female, while the black hair is a guy. Both are heterosexual.
4. It could be toxic when the guy shows his true colors, but it isn't necessary......
