100-nichigo ni Kao ni Deru Kashiwada-san  

100日後に顔に出る柏田さん

100-nichigo ni Kao ni Deru Kashiwada-san is a web manga released on the authors Twitter and pixiv accounts from March 28, 2020, to July 5, 2020. A print volume was available for a limited time from March 26, 2021, to April 12, 2021, as part of a special campgain.