ISBN: 978-4-09-851765-7 // ISBN: 9784098517657
Year of publication: 2023
Number of pages: 142
Country of origin: Japan
Volume 18 of Karakai Jouzu no Moto Takagi-san (からかい上手の（元）高木さん), whose title in English is Teasing Master (Former )Takagi-san, a manga series written and illustrated by Soichiro Yamamoto. This is the spin-off of the original series which began in July 2017
This spin-off is the story of Nishitaka and Takagi, who got married, and their daughter named Chi.