Touch Within The Abyss By Mori, Moyori

'If you knew the real me... you'd be disappointed.'Hitman Chinatsu is reunited with his fate. His fate's name is Kasumi. He is the boy who reached out to help Chinatsu when he lost his brother right in front of his eyes. A few years later, Chinatsu accidentally saves Kasumi from a purse snatching. Chinatsu cannot leave Kasumi alone, who tells him he can't see, and although Chinatsu knows he shouldn't get close to him, he ends up getting closer to him... A story of salvation in which two people trapped in the darkness melt each other's loneliness.