A brand-new teaser trailer was released for the upcoming Firefly Wedding anime today, revealing two cast additions and an October 9 start date for Japanese television. The romantic drama series' ending theme song, "Yumegokochi" by TOOBOE ( The Summer Hikaru Died ED), is also previewed. Crunchyroll will stream Firefly Wedding worldwide as it airs . Firefly Wedding Anime Teaser Trailer The newly announced cast members are as follows: Kotaro Ogawa voiced by Kento Ito (Aqua in [OSHI NO KO] ) Mitsueda voiced by Kenjiro Tsuda (Nanami in JUJUTSU KAISEN ) Takahiro Kamei ( Urusei Yatsura chief director) directs the Firefly Wedding anime at studio david production. Yuko Kakihara ( The Apothecary Diaries ) provides the scripts and series composition, Yukiko Aikei ( Magical Girl Raising Project ) draws the character designs and NOGRID composes the music. Viz Media publishes Oreco Tachibana's original manga in English and describes the story: On the surface, Satoko has it all—she’s beautiful, the daughter of a nobleman, and at a prime age for marriage. Unfortunately, she is also quite ill and only has a short time left to live. Before she can secure a marriage that will redeem her worth in her family’s eyes, she finds herself the target of the mysterious assassin Shinpei, and her plans are put in jeopardy.