|Hair||, Black, Braided Headband, Long, Twin Tails|
|Body||, E+ Cup, Pale, Slim|
|Clothes||, Belt, Hair Ribbon, Miniskirt, Necktie|
|Visual novels||Main character - Kono Subarashii Sekai ni Shukufuku o! -Kono Yokubukai Game ni Shinpan o!-|
|Voiced by||Toyosaki Aki|
Yunyun is Megumin's former classmate and daughter to the crimson demon's chief. She has a normal personality, causing her to be ironically estranged from her chūnibyō peers. Yunyun is a highly skilled ArchWizard and uses her rivalry with Megumin as an excuse to create a friendship.