 If you liked
Kimi ga Nozomu Eien
|
 ...then you might like
H2O: Footprints in the Sand
|
If you like drama, romance, and tragedy, then both these series may spark some interest. H2O: Footprints in the Sand leaves the MC a deep emotional scar due to an event similar to the protagonist in Kimi ga Nozomu Eien/Rumbling Hearts. Both try to move on while staying facing their own personal demons.