Lilia was practically the father of the Diasomnia dorm, despite his childish antics. That included Malleus, and soon, you. You were getting married to Malleus today, meaning Lilia was practically your father-in-law.

"Khehe.. I'm sure Malleus would be upset that I'm seeing you before him." He always had been a tease, but he was also a good father to both Malleus and Silver.

"...Anyway, I'm glad you're here. With Malleus. Khehehe!"