A Sister's All You Need As Long as It's Research (Season 1, Episode 3)
TV-MA
TV Episode | 23 min | Animation, Comedy, Romance

Primary photo for As Long as It's Research

A Sister's All You Need

As Long as It's Research (Season 1, Episode 3)

TV-MA

TV Episode | 23 min | Animation, Comedy, Romance

Itsuki, Nayuta, and Miyako decide to escape the cold by going to Okinawa where they visit a remote island so Itsuki can do some research. Meanwhile, Nayuta decides to flail around naked in the water, and Miyako eventually joins in as well.

Director

Shin Onuma

Composer

Tomoki Kikuya

See all filmmakers & crew (3)

Edit Released

Updated Oct 22, 2017

Release date

Oct 22, 2017 (Japan)

Awards

Series awards

2 nominations

Contacts

+ Add

Become a member to see contact information for As Long as It's Research.

Cast	+ Add Cast
31 cast members

Name	Known for
Yûsuke Kobayashi Itsuki Hashima (voice) Itsuki Hashima (voice) See fewer	Re: Zero, Starting Life in Another World (2016)
Nozomi Yamamoto Chihiro Hashima (voice) Chihiro Hashima (voice) See fewer	Yona of the Dawn (2014)
Hisako Kanemoto Nayuta Kani (voice) Nayuta Kani (voice) See fewer	Sailor Moon Crystal (2014)
Ai Kakuma Miyako Shirakawa (voice) Miyako Shirakawa (voice) See fewer	The Witcher 3: Wild Hunt (2015)
Satoshi Hino Haruto Fuwa (voice) Haruto Fuwa (voice) See fewer	Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train (2020)
Kôsuke Toriumi Kenjirô Toki (voice) Kenjirô Toki (voice) See fewer	The Last: Naruto the Movie (2014)
Tsubasa Yonaga Setsuna Ena (voice) Setsuna Ena (voice) See fewer	Mokei Senshi Gunpla Builders Beginning G (2010)
Mariko Nagai Friend from Junior High School (voice) Friend from Junior High School (voice) See fewer	Pluto (2023)
Houko Kuwashima Jin Samejima (voice) Jin Samejima (voice) See fewer	Noir (2001)
Hekiru Shiina Mel Samejima (voice) Mel Samejima (voice) See fewer	Mega Man: The Power Battle (1995)
Jôji Nakata Alba Albatross (voice) Alba Albatross (voice) See fewer	Escaflowne: The Movie (2000)
Mamiko Noto Megalodon (voice) Megalodon (voice) See fewer	Tokyo Godfathers (2003)
Hikaru Midorikawa Sieg Redfield (voice) Sieg Redfield (voice) See fewer	Dragon Ball Z: Battle of Gods (2013)
Yui Horie Hilde Redfield (voice) Hilde Redfield (voice) See fewer	Ressha Sentai ToQger (2014)
Akira Ishida Nobushige Kanzaki (voice) Nobushige Kanzaki (voice) See fewer	Naruto (2002)
Yukana Yuna Kanzaki (voice) Yuna Kanzaki (voice) See fewer	Code Geass (2006)
Amber Lee Connors Friend from Junior High School (voice) (version: English) Friend from Junior High School (voice) (version: English) See fewer	Guilty Gear: Strive (2021)
Emily Fajardo Yuna Kanzaki (voice) (version: English) Yuna Kanzaki (voice) (version: English) See fewer	Valentine (2017)
Stephen Fu Itsuki Hashima (voice) (version: English) Itsuki Hashima (voice) (version: English) See fewer	Godzilla Minus One (2023)
Samantha Herek Megalodon (voice) (version: English) Megalodon (voice) (version: English) See fewer	Dragon Ball Super: Broly (2018)
Kyle Igneczi Nobushige Kanzaki (voice) (version: English) Nobushige Kanzaki (voice) (version: English) See fewer	Dragon Ball Super: Broly (2018)
Brittany Lauda Hilde Redfield (voice) (version: English) Hilde Redfield (voice) (version: English) See fewer	Fire in His Fingertips (2019)
Jamie Marchi Nayuta Kani (voice) (version: English) Nayuta Kani (voice) (version: English) See fewer	Panty & Stocking with Garterbelt (2010)
Arielle O'Neil Chihiro Hashima (voice) (version: English) Chihiro Hashima (voice) (version: English) See fewer	Seven Mortal Sins (2017)
Sara Ragsdale Miyako Shirakawa (voice) (version: English) Miyako Shirakawa (voice) (version: English) See fewer	Date a Live (2013)
Alejandro Saab Haruto Fuwa (voice) (version: English) Haruto Fuwa (voice) (version: English) See fewer	Hell's Paradise: Jigokuraku (2023)
Stephen Sanders Setsuna Ena (voice) (version: English) Setsuna Ena (voice) (version: English) See fewer	elDLIVE (2017)
Matt Shipman Sieg Redfield (voice) (version: English) Sieg Redfield (voice) (version: English) See fewer	Mazinkaiser vs. Great General of Darkness (2003)
Rachel Michelle Thompson Mel Samejima (voice) (version: English) (as Rachel Thompson) Mel Samejima (voice) (version: English) (as Rachel Thompson) See fewer	Recovery of an MMO Junkie (2017)
Chris Thurman Alba Albatross (voice) (version: English) Alba Albatross (voice) (version: English) See fewer	Cautious Hero: The Hero Is Overpowered but Overly Cautious (2019)
Eric Vale Kenjirô Toki (voice) (version: English) Kenjirô Toki (voice) (version: English) See fewer	My Hero Academia (2016)