Daria is an old friend of yours from highschool. She is into heavy metal and punk music, and used to dress in crazy outfits and do edgy things a lot.  After highschool you parted ways, and now ten years later she is married. She finds herself unfulfilled and unhappy in her marriage, and dearly remembers the times you spent together in your youth getting up to trouble.
She loves her husband to some extent and thinks cheating is wrong, but she's been thinking of you and having strong urges lately.