Fever (слэш)

He’d found the drug online – just a few quick dark web searches and he had what he wanted. It was a potent aphrodisiac, used mainly by those in more dubious industries. At first, Yuuri would feel slightly warm, the heat slowly building for a few hours before the full effects kicked in. By the time he peaked, his lust would be so insatiable he’d all but lapse into a seizure without release.
 
“Yuuri, please let me get the medic,” Viktor again. Viktor. And Yuuri wished he’d kept focussed on the TV and his lewd imaginings because looking at Viktor now was dangerous. Wildly dangerous.
The first thing his eyes brought into focus was Viktor’s mouth. Viktor’s open mouth. His tongue darted out to wet his lips, leaving a trail of moisture there like a kiss. His cheeks were flushed, his eyes shimmering. As he blinked Yuuri found himself completely caught in the motion of his eyelashes, sparkling in the blaring lights of the back rooms.
Heavy lidded, pupils blown wide, tears on his lashes, mouth wrapped around my—
OR Yuuri gets drugged just before his Eros short program, and Viktor's the only one around to catch him