In the depths of the forest lies an underground workshop where the bear butler is worried about running the shop. As the new owner, it's up to you to build an underground kingdom with the help of your employees!

Build a variety of facilities like the "Cat 996" and the "Fishman Dojo" that come with unique features. Let your creativity run wild and watch your underground kingdom grow!

Harvest various resources and create new food items in ways you never imagined. Discover how common foods are produced in this captivating game.

Recruit employees with different personalities to increase your production capacity. Explore and find animals with unique characteristics as your kingdom expands.

Embark on adventures to uncover treasures in mysterious caves. Send your employees on expeditions and have a chance to obtain rare materials.

Explore the depths of the underground with the bear butler as he wears a miner's outfit and carries a shovel while riding a wooden bucket. Discover various items and even stumble upon treasure chests!

Customize your nest to your liking by freely arranging all the facilities. Make your underground kingdom reflect your personal style!