Ah! My Goddess S01 E08 Ah! Taking an Examination of Love, Starting With a Deviation Value of 30

"Seinen"

Keiichi gets a video from a store, but when he plays it, a mysterious woman shows on the screen. The woman is Urd, who is Belldandy's older sister. Urd tries to move Keiichi's romantic intentions forward by slipping him a controlling love potion.