 If you liked
Naruto: Shippuuden
|
 ...then you might like
Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai.
|
While this might seem extremely far fetched, both series deal alot with the loss of childhood friendships. Everything else about each series is completely different, but if you're looking for some angsty drama about broken best friends, these two seem to be at the top.