Weapons (like swords or spears) are used to slay demons, but it's not gore at all. It looks more like magic weapons, when the demons are touched, they vanish into a sort of white light. But the characters still stab and slay demons in a way
No one actually v* but when there is a bit of g* and something says they are going to v* but they don't I have really bad emetophobia and nothing triggered me but if yours is worse maybe just skip past when they meet the boys for the first time to when they sing the next song :)