

JapanesecompletedNanafushigi senpai to Tetsujin-kun • Senpai of the Seven Wonders and Iron Man-kun • Seven Mysteries-sempai & Iron Man-kun • 七不思議先輩と鉄人くん • Nanafushigi-senpai to Tetsujin-kun
The springtime of youth lies in the interstice between physics and the mysterious—— A 47-page blue-spring horror battle oneshot with a center color page!! Published in Weekly Shounen Jump 2026 No. 35.
Chapter NoneYou are reading Nanafushigi-senpai to Tetsujin-kun (Alternative Titles: Nanafushigi senpai to Tetsujin-kun • Senpai of the Seven Wonders and Iron Man-kun • Seven Mysteries-sempai & Iron Man-kun • 七不思議先輩と鉄人くん • Nanafushigi-senpai to Tetsujin-kun) manga online for free on MangaBall.
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