"Yeah, Hibari," Gokudera confirms and pulls his shirt back on, grabbing the material and shaking it gently to dislodge any more sand that could still be clinging to it.

"Because... he liked to? Bites and scratches and bruises... We used to fight a lot on that world, but it was illegal. There are other ways to relieve tension aside from fighting." It's a roundabout way of saying he got intimate with Hibari. True to form, it was always very detached. Hibari was not ever a lover, but he'd enjoyed creating red in Gokudera with the same care a painter would take sumi to parchment.