Blade of the Immortal Volume 5 — Hiroaki Samura

In her quest across feudal Japan to avenge the murder of her parents, Rin has seen too much death and agony. When she befriends a young boy, she is horrified to discover that his father is one of the band of assassins. Weary of blood, Rin now wishes only an apology from the killer, a mask maker whose only desire is to keep his evil past from his son and who will take up the sword again to protect his secret. Collecting issues #3-8 of On Silent Wings.