To Sora, affection came naturally.
He was constantly surrounded by friends and allies, and always had someone to motivate him, be it through a quick ruffle of his hair (met with much protest) or just a few encouraging words.
To Riku, affection was hard.
He deeply regretted the time he had spent lost in the darkness, no matter how many times he reminded himself that it had been to save those he cared about. He would wake up in the middle of the night, heart pounding, covered in a thin sheet of cold sweat, chest heaving as he tried to convince himself that nothing was going to come after him anymore. That the razor-claws and deep gold eyes couldn't touch him while he was awake.
This was why the two of them meshed so wonderfully.
Sora brought Riku out of his shell, and Riku was there when Sora needed an escape from the hustle and bustle of his regular life.
So when one day, while they were just laying there on Sora's bed after a quick round of sparring, Sora declared that he would kiss Ri