Don't You Know That You're Toxic (Klance)

Giving Into It: Temptation

If Keith's moans were anything to go by, a bystander could say he was having the time of his life right now. "Yes! Please- more! Ah!" 

Tan hands gripped his wrists as the man above him pounded in harder, stretching Keith deliciously wide. "Yeah? That feel good enough?" Lance chuckled darkly at Keith's enthusiastic nod, the smaller boys whimpers and whines growing louder. 

Honestly Lance didn't think he would be here right now. Now, to say that he didn't find his brother's husband attractive, was a blatant lie; but he never thought he would be in bed with him. When he first met Keith, it was at a yearly family gathering for Christmas. Shiro, his brother, was excited to show off his fiance at the time. He spent all of the two days before the gathering texting Lance that his fiancee was nothing short of sexy. 

And boy was he right. The first time Lance saw Keith walk through the creaky door of his mom's old, rickety house, his brothers arm wrapped around his waist, he felt all the air leave his body and he choked on his orange soda. The guy was ripped, with still a feminine sway in his hips that drove Lance crazy (especially downstairs). The long black hair that swayed whenever he walked just made Lance want to grab it and pull. 

Of course he controlled his horny self because, well, this was his older brothers fiancee for christs sake. He may be attractive and may make Lance's dick twitch with interest, but! But, he couldn't do that to Shiro. Beautiful fiancee or not, Shiro was still his brother and he vowed to try and never think of his fiancee like that again. 

But obviously that didn't work so well. 

"L-lance! Feels so good! Fuck!" Keith screamed, closing his eyes tight. There were tears of pleasure streaming down his face. Lance grunted, letting go of Keith's wrists and leaning down to mouth at his pale neck. 

"Lance… ah~ N-no marks." Oh yeah, that's right. Even after years of neglect from Shiro, Keith is still married to him. 

After Lance lost his house due to his ex-girlfriend, Allura, kicking him out even if he owned half of it, he stayed with Shiro and Keith. Shiro, the loving brother he was, took him in and let him have the extra guest bedroom. Shiro's house was nothing short of fancy and it was a real upgrade from his old house. 

There was only one problem though, and it was Keith. Not to say that he in general was a problem, no. It was just his sexiness in general. 

The first few weeks Lance had stayed with them, Keith was a little distant, talking to Lance when the tan man engaged in a conversation with him. Shiro was mostly home but always in his study, leaving Lance and Keith lounging around. Once he caught Keith bringing dinner to Shiro only to be turned away. "Sorry hun, I don't have time to eat, go watch some T.V or something." 

Keith looked distraught before walking glumly out of the room. 

Lance felt a pang in his heart. Keith made that dinner specifically for Shiro and he just brushed it off. "It's fine, he's always so busy now with his new promotion." Was all Keith said when Lance brought it up. There was a nagging feeling as Lance continued to watch as Keith was ignored and left alone. It wasn't fair to Keith; it seemed like a one sided marriage. 

When Shiro started staying at work late and coming back at the wee hours of four, Lance felt it was worse. Especially when he started taking long trips out of state. 

One night he found Keith on the couch, staring at a lit fire and sipping from a wine glass. He noticed there was another wine glass on the table, still half full and untouched. 

He stepped out from the shadow of the couch and leaned against the back of it, looking at Keith's ponytail. "Had a late night again?" He asked quietly. He saw Keith tense and then sighed, relaxing his body before giving Lance a weak smile. "He always does." He looked back at the fire, sipping quietly from the wine glass again. Lance thought for a moment before walking around and sitting on the other end of the couch.