Towiki was a kitchen worker at Ito family's castle. She fall in love with Ajimo Heikaru, the first son of the family's warlord. however distracted by his love Heikaru was negligent in rallying the clan’s army when needed in 647 DR. So the curse transformed him in a Wererat condemned to guard his lover room for eternity and her in a butterfly. At last in 1360 DR, an adventuring party hired by Michimori Uemon to recover the Seven Swords fought and destroyed Heikaru. After Towiki met them telling them three information about the swords and after disappeared.