The third series is Kokousei Kazoku, by Nakama Ryou. He is the mangaka of Isobe Isobee Monogatari: Ukiyo wa Tsurai yo, a historical gag series that ran in Jump from 2013 to 2017, with 303 chapters and 16 volumes. pic.twitter.com/7rYKdhtkUV

— Shonen Jump News (@WSJ_manga) August 6, 2020