Toru Hayashi is an unremarkable bachelor who lives with his mother, until one day a young woman named Rumi moves in in the apartment upstairs. Rumi is a self-proclaimed master thief, but she needs socially awkward Toru's help to actually kickstart her so-called career.
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Kaito Ruby
Toru Hayashi is an unremarkable bachelor who lives with his mother, until one day a young woman named Rumi moves in in the apartment upstairs. Rumi is a self-proclaimed master thief, but she needs socially awkward Toru's help to actually kickstart her so-called career.
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Streaming availability tracked across 900+ platforms in 70+ countries — including regional services like Aha, Sun NXT, ManoramaMAX, Shahid and Vidio that global trackers miss.
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Top cast
10 people
Kyoko Koizumi
as Rumi Kato (Ruby)
Hiroyuki Sanada
as Toru Hayashi
Kumi Mizuno
as Toru's Mother
Kazuo Katō
as Toru's Boss
Hiroko Isayama
as Older Woman at Toru's Company
Hideyo Amamoto
as Grocery Store Owner
Kyôko Takami
as Woman on Her Way Home from Shopping
Hideko Yoshida
as Bank Clerk
Hideyuki Otsuki
as Bank Security Guard
Shinichiro Uchida
as Postman
MO
Movie OTT Editorial
1 min read · Published July 5, 2026
7.0/10
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Streaming charts today
Kaito Ruby is #18,252 on the Movie OTT Daily Streaming Charts today. (first day on the chart — check back tomorrow for movement)
