"Made In Abyss" is a Japanese manga and anime series created by Akihito Tsukushi. The story follows a young girl named Riko who discovers a mysterious and vast chasm known as the Abyss. She dreams of becoming a Cave Raider like her mother, who disappeared into the depths of the Abyss. Riko embarks on an adventure to explore the Abyss, accompanied by a robot boy named Reg. The Abyss is filled with strange creatures and ancient relics, but it also poses dangerous challenges. As Riko and Reg descend deeper, they encounter various obstacles and uncover secrets about the Abyss and Riko's mother. The series explores themes of exploration, friendship, and the consequences of curiosity.