Koi ni Koisuru Yukari-chan (恋に恋するユカリちゃん, Literally meaning "Yukari-chan in Love with Love") is a spin-off manga series based on Sōichirō Yamamoto's Karakai Jōzu no Takagi-san series by Yūma Suzu. It begun serialization in Monthly Shōnen Sunday magazine on August 2017 issue.
"Are Takagi-san and Nishikata-kun going out?" Grand prize winner in the Takagi-san Cup! A girly love comedy about Takagi-san's classmates.
The first compilation volume has been published on February 9, 2018.