Edit: oop almost forgot one thing sorry

Isak: Slight social anxiety, His eyes is a big insecurity for him because they're bigger because swedish genes. Scared of everyone having him and/or hating his dad but liking him. Rumours and Yoko are other minor fears.

Sora: Getting kicked out. He's lived on the streets for a while and also has slight social anxiety. He's insecure about his head because yanno Cockroach.

Nozomi: Being forced to be a girl. They are slightly insecure of being viewed as a woman (and a man to but being a fan their mostly worried about woman) They have a fear of loosing.

Gina: Water, she's extremely scared of water. Or more or less pools and oceans. She's insecure about sounds. She dislikes making to loud noises. Also a minor insecurity is that she likes to be feminine. Because everyone views her as not. Another insecurity that she's mostly come over is her jealousy for her cousin.

Tanaka: His entire backstory is being insecure. Also Tanaka wasn't originally my oc but I adopted him from my friend. Anyways yeah he's insecure about his fashion but at the same time he knows to face it now. Another insecurity is the fact that he has a hard time controlling his volume and what he says. He knows he has no friends because of what he says and how loud he is.

Aria: Spiders. She's scared of Spiders and the old lady from 5th kenterburry street. She's insecure about her smile and how her quirk is mostly a copy paste of her dads but mixed together.

All of them are afraid of being replaced