ISBN-13: 9781421500263 / Angielski / Miękka / 2005 / 192 str.
Dr. Ichegaki's ultimate biological weapons are in the ring, but Team Urameshi is suddenly having a severe attack of conscience. After Dr. Ichigaki implants blood-slaver nodes in the brains of Master Mitamura's martial-arts students, Yusuke and company just don't have the heart to conduct their demon-slaying business as usual. Rated for teens.