Natsume Yuujinchou, Kyoukai no Rinne Recommendations
both protagonists can see spirits and have to deal with them.
If you're interested in a modern supernaturals series with fantasy lores, then definitely give both a try. These two series contains traits that are serene and honest with their premise. The main male characters are clever and has a special ability that allows them to see what others cannot. Throughout both series, the characters gets into many events that are well written with clever timing and gimmicks. There is also a great deal amount of characterization that is insightful with memorable moments.