Tatakae! Ryōzanpaku Shijō Saikyō no Deshi (戦え!梁山泊 史上最強の弟子 lit. Fight! Ryōzanpaku, History's Strongest Disciple) was serialized in the monthly manga magazine Shōnen Sunday Super.
It is the precursor to History's Strongest Disciple Kenichi, a lot of the characters are reused in the successor series.