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LUXEN TV Series
My Grandfather, the Master Detective
2026·1 Season·8 Episodes·★ 6.5
Japanese original
Elementary school teacher Kaede reunites with the grandfather who raised her as he begins living with Lewy body dementia, confronting the challenges the illness brings to their lives and relationship.
LUXEN Decision Guide
Does this fit your time and taste?
A tension-led series where questions, pressure, investigation, or shifting trust can keep the story moving from episode to episode.
Best fit
Who it is for
Best suited to viewers who want an ongoing hook and a reason to keep watching the next episode.
Commitment
Compact commitment · 8 episodes
Use the season and episode count to judge how much time you want to invest.
Start here
Read the synopsis.
Read the synopsis first; the contained season makes it easier to judge whether the full story fits your time.
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The series
Seasons
Season 1
8 episodes
2026
Cast
Who's in it
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