I Was Transported To A Raft Survival Game, But Spending On Waifus Gives Me 10,000x Returns!

What the story is about

After a cataclysm transports humanity to a vast ocean, Ningfan awakens on a tiny raft with a system that multiplies supplies he spends on women according to their affinity for him. As he builds up his territory, gains powerful survival tools, and faces monsters and other dangers, he joins forces with Fong Ling Long and other survivors.