Levi, who was single until old age in his previous life, was so destitute that even the underworld took pity on him. In order to make it easier for him to get out of singlehood, the underworld personnel specially sent him to the ABO world, making him the easiest gender O to find a partner.
Levi is ready to leave his single life, but why is there no market for an excellent wife-type O like him?
Purpose: Bravely pursue true love