I recommend SAO and Attack on Titan if you haven't seen them.
Or Naruto or Fairy Tail.
Also if anyone recommends any romance/tragedy please tell me >.< but no inappropriate stuff and not gory.
Mystery is good too 
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Anohana - Less romance but quite a few drama/tragedy
Blast of Tempest - Has Romance, main story is about a Tragedy and lots of mystery.
Myself;Yourself - slightly more to a RomCom side at the beginning then it develops into a tragic love story.
School Days - Lots of romance and drama, but has sexual references and gore at the end.
Ef-Tales of Memories and Tales of Melody - Lots of romance and drama, tales of melody is the more tragic series, but it's slightly confusing being two stories going back and forth in one series.