The River Styx Lies Between Us(2011)

Sanzu no Kawa no Mukou no Kimi

Shouta is a young rebel who always tries to act tough in front of everyone. After a young boy who resembles his first love, Yukito, moves to his neighborhood, he gains the ability to see ghosts! Shouta quickly falls for his new neighbor who always saves him from supernatural troubles... and never fails to tease him while he's at it. It's a sweet occult romance presented to you by Mano Sakamoto!

(Source: Renta!)