친구를 초대하고 귀하와 귀하의 친구 모두를 위한 무료 멤버십을 받으세요

In the HakkoAI Referral program, a referral means you invite your friend (a new user for HakkoAI) to download and sign up HakkoAI through your referral link. When your friend successfully downloads and signs up, both your friend and you can get 7 days of Free Ultra Membership.