Made in Abyss: Wandering Twilight

After leaving Ozen’s Seeker Camp, Riko and Reg continue their dangerous descent into the Abyss. Having learned more about her origins, Riko becomes even more determined to reach its deepest point and uncover the truth about her missing mother. As they venture through the Third Layer and beyond, they encounter strange creatures, deadly threats, and unexpected allies. When a life-threatening crisis strikes in the Fourth Layer, a mysterious creature named Nanachi enters their lives and changes the course of their journey.