I’m Standing on a Million Lives is a Japanese manga series written by Naoki Yamakawa and illustrated by Akinari Nao. A news video aired with the twelfth and final episode of the TV anime I’m Standing on a Million Lives and it announced that the anime will get a second season that will debut in July 2021.
Kodansha Comics is distributing the manga in English, and it describes the manga:
Ninth-grader Yusuke Yotsuya is practical, friendless, and not active in any clubs. Then one day, he and two female classmates are suddenly sent to another world where they must work together to battle for their lives. Yotsuya is a lone wolf and has always lived his life according to his wants, but how will that work out now that he’s supposed to be a hero?! Get ready for a one-of-a-kind fantasy story that will challenge everything you thought you knew about fantasy!