A Person Opens a Bookstore in the Fairyland

When Lu Ming traveled to the Earthly Immortal Realm, the system only gave him a hatchet. Lu Ming: "What do you mean? You start with a knife, but you have to grab all the equipment?" System tasks: 1. Ask the host to build a residence as soon as possible. (Completion reward: Invincible in the residence. Failure penalty: Permanently dressed as a woman.) 2. Ask the host to complete a work as soon as possible. (Completion reward: 1 random benefit. Failure penalty: gender conversion.) Lu Ming looked at the system tasks and fell into deep thought... You always think this system is weird? Until the bookstore welcomes its first guest...