This isn't mine, so... Yeah. Read on.

Keith is a theory nerd and loves the supernatural, he's always wanted to go exploring in the town most haunted building but he has no one to go with and he haft brother shiro won't go with him so when a kid from his history class says he'll go they set out in a adventure but do they make back alive or something else

Lancelot McClain, the prince of Altea, adored and loved by many. Keith Kogane, the peasant of the town, shrouded in fear and anxiety. When a golden letter is delivered from the king to Keith, who knows what could go? Will love blossom or will hate be spread amongst the two boys?