The Weakest Tamer Began a Journey to Pick Up Trash

is a Japanese light novel series written by Honobonoru500 and illustrated by Nama. It began serialization as a web novel on the user-generated novel publishing website Shōsetsuka ni Narō in August 2018. It was later acquired by TO Books, who began publishing a light novel in November 2019. It has been collected in nine volumes as of June 2023. A manga adaptation illustrated by Tou Fukino began serialization in TO Books' Comic Corona website in February 2020. The manga has been collected in five volumes as of June 2023. Both the light novel and manga are licensed in North America by Seven Seas Entertainment. An anime television series adaptation by Studio Massket is set to premiere in January 2024.