H2O: Footprints in the Sand, Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai. Recommendations
Both lead muchachos can see ...........DEEEEEAD PEEEEOPLE!!..!!!....WHUUUUU,HU,HU!
Both ghosts can eat, play and physically interact with the lead muchachos.
Both lead muchachos suffered a terrible loss.
In AnoHana only one muchacho (male lead) among the 5 former amigos (friends) can see their dead amiga (friend feminine).
In H2O, the ghost has special ability to grant what the muchacho wishes, It can also leave whenever it wishes. In AnoHana, the ghost don't have a slightest idea as to why she can't cross-over and why she can only manifest herself to only one muchacho (the lead male character).
In AnoHana the ghost has the body of a 15 year old
First of all, both series contain tragedy themes that brings on emotions within a viewer.
Both series has a normal protagonist that interacts with a not so normal girl.
Both series has good animation style and has other characters with contrasting personalities. Both series additionally have some romance themes that expand beyond the typical love triangles. Both series also have a mystery like atmosphere that fills the void that mixes in drama, some comedy, and emotions.