Marriage Toxin, Vol. 4Gero may be a master assassin, but hes not exactly killing it in the romance department! Can marriage swindler Kinosaki help him find true love? Not long after accepting his latest assignment to protect Hamster Master Arashiyama, Gero is struck by a surprise attack from the deadly Hit Man Hunter! To make matters worse, Arashiyamas life is threatened by the head of the Beast Clan. Now, to have any hope of keeping her safe, Gero must risk venturing into