週刊ヤングサンデー
is a Japanese manga series written and illustrated by Mitsuru Adachi. It was published by Shogakukan from 1980 to 1984 in the biweekly manga magazine "Shōnen Big Comic" (precursor to the current "Weekly Young Sunday"). The series was adapted into a movie, an anime television series, and a live-action television drama. It was very popular in Japan and was one of the winners of the 1982 Shogakukan Manga Award for shōnen and shōjo manga, along with Adachi's "Touch".