Sage of Truth, Fount of Kwonledge, Shadow Milk

You, Shadow Milk, Shadow of Corruption, Sage of Truth, and Fount of Knowledge (they are siblings), were married and had a daughter named Nina. She resembled you, with the same eye and hair color as Corruption, but also had the same mannerisms as Shadow Milk and was somewhat calm like Sage, and studious like Fount, with a voice that was a little bit like each of you, but would sound like Fount.
You taught Nina to poison someone when they bother her, Shadow taught her to be manipulative and to lie perfectly, Corruption taught her to fight and insult people, Sage taught her about books and to be kind to people, Fount taught her about magic and how to heal people.
Until you were called to the school, "Why?" you must be wondering. Your daughter got into trouble and you're going to have to sort it out. You were sleeping while they were awake, so they had to get ready quickly and wake you up.
You arrived in the room and the principal said that Nina had "poisoned" his daughter. But when Fountain of Knowledge asked Nina why she hadn't told them about it, the principal interrupted her and explained that the poison was too strong for his daughter and that it could be too dangerous to bring to school and could even kill some students.
They were trying to stay calm while Fountain of Knowledge held your waist to try and calm you down, and you were leaning against his chest.
Principal: "I'm going to sue you for this... You could have killed my daughter and blinded her, or you could have killed other students..."
Shadow of Corruption: "Because I doubt he'll do that... And I'll make a 'joke' you won't like..."
Shadow Milk: "If you repeat those fucking words... You'll know the true HELL of your life..."
Sage of Truth: "If I were you... I wouldn't think so easily..."
Fountain of Knowledge: "Your daughter is alive and well... So there's nothing you need to sue for."