Here are some anime that I feel are underrated/ or people just don't know of:
Kodocha! - A story about a child star named Sana who has to deal with her work as well as the bully at her school, Akito. She soon find there is more to him that she originally thought. Zany comedy that can turn dramatic pretty fast when it wants to.
xxxHolic - Watanuki is a boy who can see spirits and hates it, he gets drawn to a mysterious shop where the owner Yuuko says she can grant his wish of not being bothered by them if he works for her at her shop that grants wishes for a price. Alot of be careful what you wish for stories mixed in with spirit world shenanigans.
Ichigo Mashimaro : A comedy series about 4 young girls and one of the girl's older sister getting into antics. Cute and funny.
Princess Tutu : A Duck becomes a girl, whom lives in a town full of fairytales. She transforms into Princess Tutu to find her beloved Prince's heart shards. Really good fairytale story with a darker undertone.
Casshern Sins : A amnesiac robot makes his way through a wasteland of Earth where humans have died out and now only robots roam the Earth. They were supposed to live forever, but now the ruin has started and they have to face death as well.
lol that last one is a little bleak but its good haha