The official Twitter account of Lantis, a Bandai Namco music label, revealed on Nov 2, 2022, the main trailer for the upcoming That Time I Got Reincarnated As A Slime film, titled  That Time I Got Reincarnated as a Slime: Scarlet Bond, previewing the theme song.

The theme song “Make Me Feel Better,” is performed by MindaRyn.

【劇場版 #転生したらスライムだった件 紅蓮の絆編】

本予告映像解禁‼️MindaRynの主題歌も解禁です✨
こちらの楽曲が収録されたアルバムは絶賛予約受付中💿
流通限定盤には映画のアナザーストーリーも収録📖
公開劇場とA-on Store限定なのでお見逃しなく✊

👇Checkhttps://t.co/F4jkmRa9is#転スラ pic.twitter.com/5XQVYR4XRW

— Lantis（ランティス）公式 (@lantis_staff) November 2, 2022

TRUE and STEREO DIVE FOUNDATION will be performing the insert songs, Joka and SPARKLES respectively.

Cast members announced includes:

cast members are:

• Rimuru: Miho Okasaki
• Benimaru: Makoto Furukawa
• Wisdom King: Megumi Toyoguchi
• Veldora: Tomoaki Maeno
• Shuna: Sayaka Senbongi
• Shion: M ・ A ・ O
• Souei: Takuya Eguchi
• Hakurou: Yoshitada Otsuka
• Kurobe: Junichi Yanagita
• Rigurd: Kanehira Yamamoto
• Gobta: Asuna Tomari
• Ranga: Chikahiro Kobayashi
• Geld: Taro Yamaguchi
• Gabiru: Jun Fukushima
• Diablo: Takahiro Sakurai
• Yūma Uchida as Hiiro
• Riko Fukumoto as Towa
• Subaru Kimura as Lacua

That Time I Got Reincarnated As A Slime film will premiere on Nov 25, 2022. Studio 8 bit is charge of animating the movie.

Streaming giant Crunchyroll had earlier announced on June 29, 2022 that it will screen That Time I Got Reincarnated As a Slime: Scarlet Bond (Tensei Shitara Slime Datta Ken: Guren no Kizuna) movie in “all major global territories” (except Asia) in early 2023.

The movie will be based on an original story scripted by the author of the light novels, Fuse. The plot will center on events after Rimuru Tempest, a slime, became a demon lord to save those close to him.

The plot of That Time I Got Reincarnated As a Slime: Scarlet Bond can be summarized as follows:

Rimuru and his companions get entangled in a conspiracy revolving around the mysterious powers of the queen of Raja, a country to the west of Demon Kingdom of Tempest. At the same time, Rimuru and Benimaru encounter Hiiro, a survivor of the ogre tribe, who used to consider Benimaru as his brother.

That Time I Got Reincarnated as a Slime light novels, also known as TenSura, are written by Fuse, and illustrated by Mitz Vah. The story is about a salaryman who is murdered and reincarnates in a sword and sorcery world as a slime with unique powers and gathers allies to build his own nation of monsters.

Nineteen volumes of the light novel have been released as of November 2021. The light novel has been licensed in North America by Yen Press, who published the first volume in December 2017.

An anime adaptation by by Eight Bit aired from October 2018 to March 2019. That Time I Got Reincarnated as a Slime Season 2 aired from January to September 2021.

Source: Twitter

©Taiki Kawakami, Fuse, Kodansha/Tensura Production Committee