Runa was adopted by Crotch, due to how he liked her name. She was adopted in the Riften orphanage, with Hroar.
Throughout the episodes she appears in, she is constantly complaining about how scary the house is. She offers Crotch some lavender, but he throws it away, and calls her a loser. She is normally seen doing chores, with her mother Ysolda.
She was murdered by S'oggy as revenge for the death of J'zargo, however at the time Crotch thought it was his pancakes that had killed his daughter and he vowed to kill Fün Tits because she had given him the recipe.
S'oggy is seen killing Runa. He then sees her at the College of Winterhold, with Crotch apologizing for being a poor father and consequently trying to kill himself. However, he survives, breaking his legs. He is then taken away, by Herman Melville, where he gets attempts to get revenge on Fün.
While S'oggy waits for Crotch's return, he has sex with Runa's corpse, and every one else who had died, while simultaneously eating their remains.