Izuku and Inku do a little bit of witchcraft, but mostly folk magic. This family has been doing this for ages. He didn't tell anyone in his class because he was bullied for it in middle school,he chooses to tell his classmates . and the only person who knows at the stard is Bakugou because he grew up with them. izuku gets a new friend who praktices witchcraft too inspires by @endoesdressup ,on Tiktok