[Izuku lets out a little whine when Katsuki tugs at his hair, and that gives him the idea to hum around Katsuki's cock as he keeps on sucking on it, using his tongue to swirl around it before pulling back to lick at the slit, pumping with his hand when his mouth isn't covering Katsuki completely. His eyes are looking up the whole time he's doing it, watching Shouto and Katsuki kiss, drinking in the expressions on their faces.
He can't really see Denki next to him when he's so entrenched on Katsuki's cock, so when he slides back down to take the blonde deeper into his mouth, he pulls his hand away and blindly feels around for the other blonde next to him, touching a leg and feeling his way up until his hand is encircling Denki's cock, which he then begins to stroke.
Katsuki and maybe Shouto might be able to catch the smug and mischievous glint in his eyes even as he continues going down on Katsuki - it won't be long before Denki is begging if Izuku has anything to do about it.]
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He can't really see Denki next to him when he's so entrenched on Katsuki's cock, so when he slides back down to take the blonde deeper into his mouth, he pulls his hand away and blindly feels around for the other blonde next to him, touching a leg and feeling his way up until his hand is encircling Denki's cock, which he then begins to stroke.
Katsuki and maybe Shouto might be able to catch the smug and mischievous glint in his eyes even as he continues going down on Katsuki - it won't be long before Denki is begging if Izuku has anything to do about it.]