"I ran into Yamada the other day," says Subaru, failing to sound casual. Tōkan hasn't said anything about it so Subaru assumes that Yamada must not have told him for one reason or another.
Tōkan reaches up with the hand that isn't still petting Inori to stroke Subaru, lick him, play with his dickhole with his tongue in a way he knows drives Subaru crazy.
It does, it does actually drive Subaru crazy. It drives him feral. He grabs Tōkan's face and almost forces Tōkan's mouth open so his dick can go inside, and Tōkan was clearly expecting it as he barely protests and welcomes Subaru gladly.
...Inori has to concur here, watching his boyfriend's face get fucked like that is really fucking hot. "I want to swallow all of your cum," he says, voice slipping into an almost whine. "I want you to fill me up with it, everywhere."
And Inori is back to trying to get his boyfriend to come, cock all the way down his throat again and going at it faster and faster.
"Are we making you feel good?" Subaru says in a low voice, looking down at Tōkan. "Not that you can answer, with your face stuffed with cock like that. But I'm sure you like it, right? Look at your hands, you're almost pulling the cushions apart. You're moaning so much, it makes me so hot... This is the life, isn't it? Two men fucking the life out of you like this."
Inori gets his wish soon enough. This is extremely stimulating, Subaru's balls hitting his face, Inori doing all those things he's learnt to do...
Tōkan gets fully knotted just a few seconds before he's crying out around Subaru's dick and coating Inori's throat with his own cum.
Subaru isn't there yet but this brings him closer. He caresses Tōkan's face while watching his body tense up while he comes, and when he's done Subaru pulls out to let him breathe a bit.
Also to kiss him.
He's not done yet, either, but what he is is very well-stretched and dripping. He licks away the last droplets of cum then gets up so he can position himself on top of Tōkan.
Tōkan is still kind of dazed, and his return kiss to Subaru is lazy and sloppy. He doesn't consciously register Inori's actions until from one moment to the next he's sheathed up to the knot in his boyfriend which makes him cry out again.
Subaru also has to take a bit of a break there, because once again: holy shit. He is really jealous of omegas, it takes him a lot more prep than this to take nearly all of Tōkan in like that and even then he can't do it so quickly and in one go. God that must feel amazing.
—and it gives him an idea. "I wanna fuck you," he whispers to Tōkan, close enough for his breath to tickle Tōkan's ear. "Me inside you, you inside him."
Tōkan shivers both from the words and from the way Subaru whispers to him like that. "Y-yes. Fuck, do it, get inside me, fuck."
Inori squints at what Subaru's doing for a bit but decides it's acceptable.
Well, no, he doesn't really, what he does is have a long string of incoherent thoughts guided by the cock inside him and how much he wants to get the knot through and how much it's gonna hurt and how he might come from that alone, and a small part of his brain registers that Subaru's doing something that will make Tōkan happy and that's all Inori cares about. Other than the cock.
So Subaru can pull Tōkan onto his lap—he may not be Yamada Inori the demon from Yoshikiri High but he's still an alpha and he has enough upper body strength for this—while Inori himself wraps his legs around Tōkan's torso and starts trying to wiggle himself further down onto Tōkan's knot. Subaru isn't knotting yet, but it's mostly because he's doing his best to hold it back; he knows that as soon as he gets inside Tōkan he'll lose control.
And he does.
(Oh fuck oh fuck oh shit oh fuck that hurts Inori feels so good he's in fucking heaven he might come again—)
Inori wants his knot. He's wiggling that way he does. But he can't do it on his own, can he? "Tell me how much you want it," he says to Inori. "Say what you want to do, what you're trying to do. Let Subaru know just how filthy you are, just what a slut for my dick you are."
Tōkan moves his hips to push himself into Inori a little bit before sitting back onto Subaru's lap.
Inori whines a high-pitched keening noise. "Please, please Tōkan, push it in, I want your cock, you asshole, you bastard, I want your knot inside me, I want to hurt, I want you to hurt me—"
"Fuck. I want you, I need you, your shaft feels so good, it's stretching me open so much, you're a complete dick and I want you, please—"
"You can have me. You can always have me."
And the way Inori can have him is the way in which Tōkan pulls Inori's hips hard enough to go all the way past his knot.