Satsujin Tomogui (,) is the son of the Legendary beast, Tenken Tomogui and the older brother of both Xuân and Mellow. Satsujin, like his brother Haneul is a part of the Tomogui Clan's Kira branch but he is also a prodigy of the clan and is known as the strongest of the new generation, far outclassing both Mellow and Haneul.
