oikawa's in a toxic relationship. iwaizumi, his teacher, will do anything to help him. anything. » completed » rewriting: poison ivy guys this book contains very toxic relationships and tbh i wanna delete it but :/ so pls just read it if ur 18+/know what is healthy and what is not in remationships and keep in mind that when i was 15 i didnt know what was ok and not and im sorry lol.