Survivor's Guilt summary:

Daisuke has nightmares every night about an accident he got into when he was a kid. He can't fall asleep without physical contact with another person. But, all he needs is a friend with benefits, not a lover. Or, so he thought... One day, he meets Riku, the little brother of his friend Kengo, the only guy who supports him and understands his past. Daisuke falls for Riku at first sight, but he can't just casually hit on him like he does with everyone else. After Daisuke learns that Riku has some trauma of his own that he wants to get over, he starts to feel something he's never felt before...+