The leaders and vice leaders of both chambers of parliament on Friday adopted a draft proposal to secure a sufficient number of imperial family members to ensure stable succession.The draft, which would represent a consensus of the legislative branch if approved, was shown to political parties the same day. It will be officially presented at a general meeting of 13 parties and parliamentary groups to be held Monday.It calls on the government to design a new system and revise the Imperial House Law so that female members of the imperial family maintain their imperial status after marriage and that the imperial family can adopt male heirs in the male line from former imperial family branches.