Endo and Kobayashi Live! The Latest on Tsundere Villainess Lieselotte

is a Japanese fantasy light novel series written by Suzu Enoshima and illustrated by Eihi. It was serialized online between August and November 2018 on the user-generated novel publishing website Shōsetsuka ni Narō, and all 47 chapters were later released on the Kakuyomu website in December 2019. It was later acquired by Fujimi Shobo, who have published two volumes between April and August 2019 under their Kadokawa Books imprint. The light novel is licensed in North America by J-Novel Club. A manga adaptation with art by Rumiwo Sakaki has been serialized in Enterbrain's josei manga magazine B's Log Comic since June 2019. It has been collected in six tankōbon volumes. An anime television series adaptation by Tezuka Productions aired from January to March 2023.