Master, I Said It Wasn't Intentional!

The notoriously ill-tempered Archmage Cassius. And his sole disciple, Eki. She endures her master's foul disposition and overwhelming workload, surviving solely on his handsome face, until she accidentally spills an ultra-powerful luck potion on herself! "Kyaaaa! My potion!" "It's not your potion." Still, she's relieved there are no side effects. Until she 'accidentally' tears her master's clothes, 'Inadvertently' gropes between his legs, And 'coincidentally' sees her master naked?! "I-I'm sorry! It wasn't intentional!" She thought she might end up being kicked out of the tower... But somehow, her master's reaction is strange. "Where, are you looking?" She expected him to send h...