TRIANGLE ~The Musical~ poster
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TRIANGLE ~The Musical~

2015Movie

Based on the work ~a~ by Kuramochi Fusako, a shoujo master. The selected Sci-Fi fantasy story makes its debut stage! with ~a~ & ~b~ perspective. Disc 1 (108mins), Disc 2 (110mins).

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TRIANGLE ~The Musical~ was released on June 28, 2015 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast

MFMizuki Fukumura
Mizuki Fukumura
EIErina Ikuta
Erina Ikuta
RSRiho Sayashi
Riho Sayashi
KSKanon Suzuki
Kanon Suzuki
HIHaruna Iikubo
Haruna Iikubo
AIAyumi Ishida
Ayumi Ishida
MSMasaki Sato
Masaki Sato
HKHaruka Kudo
Haruka Kudo
SOSakura Oda
Sakura Oda
HOHaruna Ogata
Haruna Ogata
MNMiki Nonaka
Miki Nonaka
MMMaria Makino
Maria Makino

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More from Erina Ikuta · Co-star actress

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TRIANGLE ~The Musical~ — streaming FAQ

Which OTT platform streams TRIANGLE ~The Musical~?

TRIANGLE ~The Musical~ isn't streaming anywhere in United Kingdom yet.

Is TRIANGLE ~The Musical~ on Netflix?

No, TRIANGLE ~The Musical~ is not on Netflix in United Kingdom as of September 2026.

Is TRIANGLE ~The Musical~ on Amazon Prime Video?

No, TRIANGLE ~The Musical~ isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch TRIANGLE ~The Musical~ for free?

TRIANGLE ~The Musical~ isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for TRIANGLE ~The Musical~?

TRIANGLE ~The Musical~ hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around August 16, 2015. This is a prediction, not a confirmed date.