In the captivating manga series by Tosh, we follow the life-altering journey of Satou Reiji as he uncovers the truth about his ancestry. Upon discovering that he is in fact the scion of a wealthy man who has recently passed away, Reiji inherits the esteemed Kamiyama house and assumes the mantle of its master. However, this newfound status comes with an intriguing condition: to secure legal acceptance into his rightful place within the household, he must produce an heir – a responsibility that can only be fulfilled by selecting a spouse from among the enthralling women comprising his very own harem.