See title, since OPs and EDs generally change between seasons, there may be a few instances with one anime and multiple seasons on this list.
Just friends doin stuff. If there's any real conflict it usually gets solved really easily and within an episode or two. Usually the MC starts alone(ish) and gets more friends as the show goes on. Sometimes it's the same group of...
These are anime I personally loved (If anime has multiple seasons only the first one is listed) (top 10 are ordered)