Only the current version so far — new entries appear as the app ships updates.
수련충 쿠폰 is a tools app by HYUN WOO PARK with 10,000+ downloads (about 22K estimated). +344 installs in the last 7 days. Released Dec 15, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “Show the coupon information of "Water lily: Challenge the God of Destruction" and receive a push notification when a new coupon is issued.”