Kashiko Sekigai pulls up a floating page out of thin air and reads her enemies off it. Distance, movement, whether they are still breathing: the display answers all of it, turning surveillance into something she can literally hold up and consult.
Chart is a conjectural name for the unnamed power belonging to Kashiko Sekigai. It falls under the Emitter classification and appears in the anime special Training of the Dead, which places it outside the main canon as an anime-original ability tied to Isami Academy High School.
Activation produces a holographic page, and that display is the whole interface. Through it Kashiko locates and follows enemies, watching a target go about their business in real time rather than simply pinpointing them. The readout also tells her how much distance separates her from the person she is tracking and whether that person is still alive.
Comparisons to Search, the Quirk Ragdoll once held, are inevitable, but the two diverge in practice. Ragdoll perceived her targets through something resembling infrared vision, whereas Kashiko reads hers off an external holographic panel. Search also exposed weak points on anyone Ragdoll marked, and Chart offers no equivalent.

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Chart is a conjectural name for an unnamed Emitter Quirk belonging to Kashiko Sekigai. It appears in the non-canon anime special My Hero Academia: Training of the Dead, tied to Isami Academy High School.
Kashiko Sekigai is the only character shown using Chart. No other user of the ability has been revealed.
Activating Chart produces a floating holographic page that Kashiko Sekigai uses to locate and track enemies in real time. The display also shows how much distance separates her from the person she is tracking and whether that person is still alive.
Chart is often compared to Search, the Quirk once held by Ragdoll. The two differ in method, since Ragdoll perceived targets through something like infrared vision while Kashiko reads hers off an external holographic panel, and unlike Search, Chart does not expose an enemy's weak points.
No, Chart is considered non-canon. It is an anime-original ability that debuted in the special My Hero Academia: Training of the Dead rather than in the main manga story.
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