steven universe my character who is human who knows about the crystal jems so he was really fascinated by them so he starts spying on them to find out more about them and he discovers that some monsters they fight they blow up and they drop a gem which looks similar to the crystal gems they have on their body he watches keep beach city weird and from the website the guys theory about walk people its not too far off from the crystal gems. he intentionally runs into Steven and becomes steven's friend and he uses steven to learn more about the crystal gems and after a while of hanging with steven he gets introduced to peridot and the crystal gems and he realizes peridot doesn't know much about humans so he uses that to his advantage and becomes fiends with peridot pretty easily and he asks a bunch of questions about why she recently came here to beach city and she tells him she was here to go to the kindergarten to activate the cube and he asks what's the kindergarten and the cube and shes says the kindergarten is where they went to make gems before they deactivated and the cube is a big weapon that would destroy the earth but they bubbled it. so after peridot and the human get acquainted and hangout for a WHILE he asks where is the kindergarden and period says here ill show you. They arrive at the kindergarten and peridot keeps talking about the kindergarten how she's a certified kindergartener jack asks her if she wants to play a game and she said yea what type of game? How do u play? And jack says it's a truth or dare type of game the game is called truth or dare and if someone dares you u have to do it and if some one asks u a truth question u have to answer it honestly. So peridot says "oh ok" then she's like who goes first me or u and jack says I'll go first so u can figure out the game. Jack asks peridot Truth OR Dare?!?? Just saying doing a dare is more fun
or he is a half crystal jem.