Seven Seas describes the books as:

In Ivy’s world, stars are everything. She’s a Tamer, born to subdue monsters and animals, but she was also born starless! With her life in danger, Ivy flees into the forest where she befriends a weak little slime named Sora—the one creature she can tame. Together, the unlikely pair set off on a journey, salvaging rubbish to survive. Along the way they’ll win hearts, evade danger, and discover there’s more to starless Ivy than meets the eye!

The cast list is now as follows:

• Ivy voiced by Aina Suzuki

• Sora voiced by Mutsumi Tamura

• Shieru voiced by Anna Mugiho

• Rooba voiced by Fumi Hirano

• Ogto voiced by Kenta Miyake

• Verivera voiced by Kosuke Toriumi

• Seizerk voiced by Masaki Terasoma

• Rattorua voiced by Taku Yashiro

• Bororuda voiced by Tomokazu Sugita

• Rickbelt voiced by Hiroki Yasumoto

• Meera voiced by Marina Inoue

• Turta/Maruma voiced by Shunichi Toki

Based on the light novels by Honobonoru500 and Nama, The Weakest Tamer Began a Journey to Pick Up Trash is being chief-directed by Shigeyasu Yamauchi (A Town Where You Live) and directed by Naoki Horiuchi at STUDIO MASSKET, with series composition by Katsuhiko Takayama and music by Kujira Yumemi (Reign of the Seven Spellblades).

Originating as a web novel on Shousetsuka ni Narou in 2018, The Weakest Tamer Began a Journey to Pick Up Trash has expanded its influence through a multitude of mediums. The compelling light novels have served as inspiration for a captivating manga adaptation illustrated by Tou Fukino, a special edition released under the esteemed TO Junior Bunko label, a gripping drama CD, and even a meticulously crafted 2023 calendar. This expansive range of adaptations showcases the enduring popularity and creative versatility of the series, captivating fans across different formats.