first of all *THIS IS MY OPINION* but i think the story would kinda suck. personally im not a प्रशंसक of याओइ so thats why. i would never see them as a couple so i dont get how the story would work. so याओइ fangirls dont get all mad. this is my honest opinion. u guys can say wut u want and i can say what i do
After पढ़ना that, I actually might think there is a chance that he is homosexual. Like Dumbledore from HP. L's view on Light is always with reason and relies on fact alone, but towards the end of the manga/anime his judgement is clouded and isn't the genius he was at the start. If he did have feelings for Light, he would have tried to drown them out but as well all know, in the end Amor Vincit Omnia या प्यार Conquers All. Light may have known this and taken advantage of it, like he did with Misa. But the fact remains, we will never find out and this is all theory.