is a Japanese manga series written and illustrated by Mitsutoshi Shimabukuro. It started in Shueisha's manga magazine Weekly Shà Ânen Jump in July 1997. It was suspended from the magazine in August 2002, following Shimabukuro's arrest for violating child prostitution laws. Its chapters were collected in 24 volumes. The series briefly resumed in Shueisha's seinen manga magazine Super Jump in 2005, with the added subtitle .
In 2001, the series won the 46th Shogakukan Manga Award in the children's manga category.
From birth, Takeshi, a seven-year-old boy with a distinctly middle-aged appearance, was perceived as a natural leader. His first word was "leader", and his father, Hiroshi, was a quintessential leader among salarymen. Following Hiroshi's sudden death, Takeshi dedicates himself to emulating his father. He joins his first-grade class with the singular goal of becoming a true leader to his peers.
Written and illustrated by Mitsutoshi Shimabukuro, Seikimatsu Leader den Takeshi! started in Shueisha's manga magazine Weekly Shà Ânen Jump on July 15, 1997. Following Shimabukuro's arrest for violating child prostitution laws on August 7, 2002, the series was suspended from the magazine, finishing with its 237th chapter, released on August 13 of that same year. Shueisha collected its chapters into individual volumes; the first volume was released on December 29, 1997, and, prior to the suspension, the 24th and last volume was released on July 9, 2002.
The series briefly resumed in Shueisha's seinen manga magazine Super Jump in 2005, with the added subtitle , and Shueisha re-released the series in 13 volumes from August 4, 2004, to December 2, 2005.
A pilot film was shown as part of the "Jump Super Anime Tour" of 1998 alongside pilots for One Piece and Hunter ÃÂ Hunter.
In 2001, the series won the 46th Shogakukan Manga Award in the children's manga category.