Kappi is a manga creator whose series Eren the Southpaw ended its new serialization on Shonen Jump+ in August 2026, with the final volume shipping September 4. The sequel manga HYPE and a business book launched simultaneously in May 2026, and the original series has a TV anime airing.
Kappi's Eren the Southpaw, drawn with nifuni, concluded its new serialization on Shonen Jump+ on August 11, 2026. The 26th and final compiled volume ships on September 4. That serialization, which began March 4, is set in 2026 and involves a new competition at the Meguro Advertising Agency.
Three months earlier, on May 29, Kappi released Volume 1 of Left-Handed Ellen HYPE, the official sequel to Left-Handed Ellen, through Number Nine. The sequel is set in 2019, eight years after the original. The same day, Kappi published a business book, To All Who Couldn't Become Geniuses: A Theory of Talent to Find Your Own Weapon, through Diamond社, based on a motif from the original manga. Autograph sessions and a talk event were scheduled for June.
The original series currently has a TV anime airing. The simultaneous release of the sequel and the business book expanded the Left-Handed Ellen universe into a new time period and a non-fiction format.
Synthesized by Yomimono from the cited Yomimono stories below, each itself
sourced, then editorially reviewed. Every
fact links the story it came from.
Aug 11
Shueisha's Shonen Jump+ published the final chapter of Kappi and nifuni's Hidarikiki no Eren (Eren the Southpaw) manga on Wednesday. The 26th and final compiled book volume ships on September 4. The new serialization, which began on March 4, is set in 2026 and involves a new competition at the Meguro Advertising Agency.
May 29
Kappi released Volume 1 of 'Left-Handed Ellen HYPE,' the official sequel to 'Left-Handed Ellen,' on May 29 through Number Nine. The story is set in 2019, eight years after the original. Kappi also published a business book, 'To All Who Couldn't Become Geniuses: A Theory of Talent to Find Your Own Weapon,' through Diamond社, based on a motif from the original manga. Autograph sessions and a talk event are scheduled for June.