Transmigrated to the Beast World, I Cling to the Villain’s Coattails

[Sign-In System, One-on-One Romance, Pocket Dimension, Tribe-Building and Farming Later On] Cheng Chuchu transmigrated to the ancient wilderness, a beast world plagued by natural disasters, disease, and war, where males vastly outnumbered females. Luckily, she was bound to a System. She quietly kept track of the monthly event missions and rewards, spending her days in the beast world accepting and completing missions. Little did she know that the wolf cub she'd casually adopted, the big tiger she'd found by the roadside, and the mermaid she'd met by chance in the water were all the same man, who had been getting close to her in different guises. By the time they'd made their way together, this man had already uncovered all her secrets, and she still hadn't realized it...