Can't Live Without You

Deku Birthday Special

(You can consider this canon to my story if you want, it just doesn't take place after chapter 28. The timeline of the story is in October while this chapter is based on Izuku's birthday which is July 15th, which is today in the US, if you're reading it when I publish this.) 

*Role play; Might be uncomfortable for some readers*

The team had a summer scrimmage at the UA gymnasium. An opposing team came over, they held two or three games before calling it a day. After the day was over everyone was free to go home and rest. However, it was Izuku's turn to stay behind and clean up the athletic training room. The head athletic trainer gave Izuku the keys to lock up the gym when he was done. The gym was practically deserted, with the occasional sound of Izuku dropping items echoing down the hallway. Izuku finished wiping down the tubs players used to take ice baths after an intense training when he heard the door behind him open.

"Um, do you need something?", Izuku asked the blonde.

"As a matter of fact I do", Katsuki said as he walked towards the greenette. 

"W-what can I help you with?", Izuku asked nervously. All athletic trainers on staff had tended to every single player and everyone had already received treatment, what could this player need?

Katsuki was still dressed in his game uniform, sweat clearly still visible, the sweat only enhancing the alpha's cedar wood scent. The blue and white jersey fit him nicely, almost hugging the alphas torso, tucked into his basketball shorts. He had an elbow compressive sleeve on, along with a towel wrapped around his neck.

Without saying a word Katsuki immediately grabbed the omegas face and immediately stuck his tongue down the omegas throat.

Izuku tried pushing the alpha back, trying to walk out of the alphas tight hold, but unfortunately crashed against the wall, leaving him trapped underneath the alpha. Izuku began to lose his strength as the alpha continued his aggressive exploration of the omegas body as he began releasing dominating pheromones. Katsuki snaked hands underneath the omegas jacket and shirt and began to aggressively twist his nipples, causing Izuku to moan into the alphas mouth.

"Pretty sensitive here aren't you~", Katsuki said as he circled his fingers against the omega's erected nipples while he licked the omegas cheek.

"Why are you doing this?", Izuku said as his knees began to feel weak.

"Why? Because your my going to be my personal trainer~", Katsuki said as he whispered into the omegas ear before biting his ear lobe, causing the omega to yelp at the sudden pain.

"Ah ... but I'm ... engaged...", Izuku whimpered out.

"Awe, does it look like I care?", Katsuki said as he grabbed the omegas green locks and yanked them, forcing Izuku to look him in the eye, "Your going to do your job and train my cock~", Katsuki said.

He forcefully turned the omega around, grabbed the towel around his neck, and tied Izuku's hands behind his back. As he turned Izuku around to face him, he forced the omega down to his knees, and unsheathed his erected member from his shorts.

"Now suck", Katsuki said as he pressed the omegas face into his groin area. Izuku stared at the impressive cock before slowly putting just the tip into his mouth. He slowly bobbed his head around the alpha's tip.

"I said to suck!", Katsuki said using his alpha voice. He held Izuku's head in his hands as he shoved his entire length down to the hilt down the omegas throat.

Izuku screamed against the monstrous length, the girth of the alpha's dick expanding his esophagus, tears falling from the corner of his eyes. Katsuki began face fucking the omega without warning, thrusting his entire length in and out as the omega moaned and gagged against the flesh. A loud growl of satisfaction filled the omegas ears. As his mouth continued to get violated, Izuku began to produce slick and released his pheromones as a result of the alpha using his voice.