*"Synopsis:"* For generations, the Poison Masters have honed their deadly craft, ruling the world of assassination. The Gero family is among the five most formidable Poison Master lineages, feared for their unmatched skill and power. Hikaru Gero, heir to this infamous bloodline, has lived in the underworld’s shadows, far from thoughts of love or marriage. But when the Gero family head declares that Hikaru’s sister must bear an heir to preserve their legacy, Hikaru takes matters into his own hands. His path soon collides with Mei Kinosaki, a sharp-witted marriage swindler-who also happens to be his latest assassination target. In a sudden twist, Hikaru makes an impulsive proposal, asking Mei to help him secure a marriage instead. "...That’s the first time anyone’s ever proposed like that." Now, with the cunning Mei as his reluctant advisor, the elite assassin Hikaru embarks on his most dangerous mission yet: love. The most unlikely pair-a killer and a con artist-venture into the world’s toughest challenge: marriage!

Marriage Toxin
*"Synopsis:"* For generations, the Poison Masters have honed their deadly craft, ruling the world of assassination. The Gero family is among the five most formidable Poison Master lineages, feared for their unmatched skill and power. Hikaru Gero, heir to this infamous bloodline, has lived in the underworld’s shadows, far from thoughts of love or marriage. But when the Gero family head declares that Hikaru’s sister must bear an heir to preserve their legacy, Hikaru takes matters into his own hands. His path soon collides with Mei Kinosaki, a sharp-witted marriage swindler-who also happens to be his latest assassination target. In a sudden twist, Hikaru makes an impulsive proposal, asking Mei to help him secure a marriage instead. "...That’s the first time anyone’s ever proposed like that." Now, with the cunning Mei as his reluctant advisor, the elite assassin Hikaru embarks on his most dangerous mission yet: love. The most unlikely pair-a killer and a con artist-venture into the world’s toughest challenge: marriage!
Seasons (2)
Characters & Voice Actors






















