fourstrings

From:

[ zack moves a little lower, takes cloud all the way into his throat, and fuck. it's so good that the edges of cloud's vision go white -- his upper body strains into an arch even though zack is keeping his hips still, the muscles in his thighs trembling. he catches himself just before he cries out, biting down hard on the inside of his cheek; it's an old habit, born of shared dorms with questionable soundproofing. but he's heedless of the way his hand tightens in zack's hair until it's a sharp tug, his next breath tumbling out of him in a strained little whine. ]

Zack -- [ choked, halfway to desperate. so close to please. ] Shit, that f-feels so --