I do not own TMNT or any of the characters or anything related or in common with it.
He didn't find this one bit funny.
NOT ONE FUCKING BIT.
It was ok when Casey awkwardly started rubbing his head slowly and affectionately whenever they would watch movies as a group together, or getting some desserts for the both of them to enjoy together while working in Donnie's lab, and even spending the night at their place, and slept in Donnie's room, but Don felt he went too far. Everyone knew that Donnie loved the smell of fresh love them even more if they especially came from one of his experiments, but this Why?!.
Donnie's whole lab was covered in flowers.
No. Not just any type of flowers but all purple flowers. There was Verbenas, Lavenders, Clematis, Bellflowers, Dwarf Irises, Balloon Flowers, Catmints, Salvias, Alliums, and Pasque Flowers. What made it even worse was that it all spelled out I Love You and a heart around it and the remaining flowers thrown carelessly around the outside heart to show as background. Donnie wanted to kill Casey. He wanted to wrap his hands around completely throttle him, and when he was done he wanted to smash their lips together in a passionate hot kiss. He wanted to feel Casey moan into the fierce kiss, and buckle under him when Donnie ground against him. He also wanted to feel Casey's tight grip on his hips as he pounded into a trembling stuttering mush of Donnie. Early in the morning when Donnie was in his lab waiting for his coffee, and Casey has yet to get up and make Don's coffee. He still yet manages to crawl outta bed and kiss Donnie good morning after ignoring his "Wheres my coffee?" question. Donnie doesn't know why but they do this every year and yet it still has yet to bore him. Donnie smiled and leaned back in his chair as he listened to Casey's movement getting his clothes together.
"Leaving already? what about my coffee?" hummed Donnie drumming his fingers together. Casey chuckled as he put on his jeans.
"If you want some, earn it" Casey joked back pulling his shirt and jacket over his head. Donnie looked out the corner of his eye to take a last peek at Casey's tight stomach before it went back into hiding.
"I thought I did pretty well last night" admitted Donnie turning his chair to Casey and pouting at the black hair man. Casey only shook his head as he walked to Don in his chair. Smirking as he put his hands on Don's chair armrests, he leaned down and met Don's gaze eye to eye.
"Eeeehhh we had more" Casey leaned in close, lips only a thin sheet of paper a part "intimate nights" and with that Casey pecked Don's lips before walking out waving goodbye. Donnie turned back to his monitors and smiled. After a while he scooted his chair back and stood up and walked out his lab and into the kitchen to find a hot cup of coffee and a tag tied onto the handle reading.
"Happy 5th anniversary"
I personally LOVE CaseyxDonnie slash. Don't get me wrong i love MikeyxDonnie but their my very very last resort.