Weekly Young Sunday(週刊ヤングサンデーShūkan Yangu Sandē) was a weekly manga magazine published by Shogakukan in Japan since the first issue on April 10, 1987. It replaced Shōnen Big Comic in Shogakukan's lineup of shōnen titles, and many of the titles in Shōnen Big Comic were continued in Young Sunday. The magazines was sometimes called Yansan(ヤンサン) for short. On May 30, 2008, Shogakukan announced that they would cease publication of the magazine. The final issue was released on July 31, 2008.