Fortify

Chapter 1

Eren just admired Corporal Levi. That was all, he told himself, but still, Eren couldn't help the way his heart fluttered when the older man acknowledged or praised him. He mentally chided himself each time, not wanting it to affect their relationship as it was. Not to mention, Levi was a man… Eren didn't know if the Corporal even liked men—and younger men at that.

Eren was ready to chew his fingernails to the nub, letting his nerves get to him like this. He felt his a horse nose at him from the stall—right, supposed to be feeding them. He had gotten distracted watching Levi work his own horse, cantering it around the corral.

…

That brat was staring at him again. Levi could feel Eren's eyes on him, he certainly wasn't as discreet as he thought, and Levi couldn't imagine why the idiot would stare at him in the first place. Whatever. He'd better straighten up soon. Tomorrow, they would be outside Wall Rose, taking their first advancement into Wall Maria. Their objective was to go in and secure a small fortress at an old castle. Clear the area of titans, store the non-perishables and extra supplies, reinforce the stronghold, and then return to the safety of Wall Rose. This was their plan for now, to line up several safe points within Wall Maria leading to Shiganshina, and thus Eren's old basement.

Later that night, Levi heard a knock on his door. "Come in." He toned.

The door creaked as it opened. Levi's eye twitched as he noticed it. That would have to be cleaned, oiled, and adjusted accordingly. His mind was taken off the door hinges when he saw Eren step hesitantly into the room. The boy seemed nervous. He seemed nervous a rather lot lately. Levi stared at him expectantly.

"Uh… Levi-Heichou?" Eren stuttered. His face looked flustered. Levi supposed he had been under a lot of pressure lately. Maybe he needed reassurance?

Levi stepped up to Eren and patted him on the head, messing his hair a bit… and then smoothed it out, disliking the mess. "You'll do fine tomorrow. I believe in you." Eren looked up at Levi, looking confused, but less worried. Levi let the slightest of a smirk cross his usually pursed lips. Levi felt satisfied, comforting had never been his strong suit, but it seems he had done it right.

"Hai." Eren responded. "Good night, Levi-Heichou!"

"Good night."

…

After Eren calmly left the Corporal's office, shutting the door behind him, he broke out in a big smile and skipped down to his room in the basement. Eren had been worried that Levi didn't like him very much. After all, he seemed so disappointed when Eren hadn't been able to harden his skin like Annie could. They couldn't seal the wall. But that didn't mean they couldn't make advancements to Eren's basement. Eren had gone to Levi to talk about how he could be helpful in other ways on the mission, but had suddenly lost his nerve when he saw Levi standing there with an irritated look on his face. Although, the trip to Corporal's office had gone much better than expected.

Eren passed Mikasa and Armin in the hallway. He smiled largely at them. "Ready for tomorrow?" Eren questioned. He knew he would be traveling with Levi during the majority of the mission. He was excited.

"Sure am!" Armin sounded hopeful. He was looking forward to reclaiming his home.

"Be careful, Eren. You too, Armin. This is still dangerous." Mikasa warned. Eren couldn't be brought down though.

Back in his room, Eren let his mind wander. He'd been harboring his crush on Levi for a while now. Mikasa and Armin were the only ones who knew. They were too sharp for him to hide it from them. Eren thought of Corporal Levi and how he had shown affection to him. Eren couldn't be certain, but he swore he saw Levi's mouth turn up just a bit. Levi-Heichou's mouth…

Eren groaned as he palmed his growing erection through his pajama bottoms. He imagined his Corporal leaning over him, breathing softly against his neck, trailing kisses across his collar bones. Levi's steel eyes staring into Eren's half-lidded green ones, before leaning in slowly and capturing his lips. Eren slipped his hand into his pants, continuing his fantasy. He breathed out another moan as he pictured Levi pressed against him, kneading Eren's erection with his knee, while his mouth worked against Eren's. A nibble at his lower lip made him gasp, opening his mouth to let in Levi's own wet tongue. Levi's mouth moved off his and scattered kisses, licks, and nips over his ear and neck to settle into a harsh bite over his shoulder. Eren used his other hand to slip under his loose fitting shirt and pinch at his nipple, fantasizing Levi had taken an interest to assaulting it.

His breath was getting heavier as he jerked himself. Eren had to pull his pants down, they were too much in the way. He felt the cool air of his room against his heated member and whined. "Levi-Heichou…" Eren breathed out, his fantasy still in motion in his head. Levi's hands trailed over Eren's torso, flicking at his nipples and scratching down his sides. Levi's head dipped to kiss Eren from neck to navel. "Levi-Heichou… Don't tease." He moaned as he picked up the pace with his hand.

"Eren." Eren moaned loudly at the sound of his name in his Corporal's voice. Levi looked Eren in his lust-filled eyes, before lowering his head and tonguing at Eren's slit.

"Ah!" Eren let out.

"Eren." Levi's deep tone rang in his ears.

"Levi-Heichou!" He near-screamed, tapering off into a mewl as Levi swallowed his erection, bobbing his head up and down, completely engulfing Eren in his wet mouth. Eren came hard, cum spurting over his abs.

…

Outside Eren's door, Levi stood red-faced and hot. Eren hadn't realized that it really was Corporal Levi's voice calling out his name. And Levi hadn't realized that the boy had those sorts of feelings for him. Levi was conflicted. He didn't want to end up hurt or have Eren end up hurt, it was that kind of life, but that reasoning didn't subdue the bulge in Levi's pants. Damn it. He had only come to chide the kid for tracking mud into his office… and possibly have him scrub the floor himself... in a maid's outfit. His mind perversely tacked on.

…