Adventurers Millie and Nina arrive to be Cain's tutors, but they're overwhelmed by his insane status. His power with both magic and the sword is so great that they decide to train him outside the mansion.
Yes. You don't need to speak formally to me.
أجل. ليس عليكما التكلّم معي بصورة مُهذّبة
Ja. Ihr müsst nicht so höflich zu mir sein.
Sí. No tienen que ser formales conmigo.
Sí. Podéis dejar
las formalidades conmigo.
Vous pouvez me tutoyer.
Sì. Non dovete essere troppo formali con me.
Sim. Não precisam usar falas formais.
Да. Не нужно со мной 
как-то по-особому обращаться.