Weekly Shonen Jump #633

When was Weekly Shōnen Jump #633 published?

Weekly Shōnen Jump #633 has a cover date of January 15, 1981 (it went on sale earlier, on December 15, 1980), published by Shueisha in Japan.

Which manga series were featured in Weekly Shōnen Jump #633?

Weekly Shōnen Jump #633 (cover-dated January 15, 1981) featured Racing Musume Jun, Sankyū Keiji, Asutoro Bōya, among other ongoing serializations.