YOASOBI will perform both the opening theme and ending theme for the TV anime "Hanazakari no Kimitachi e", which begins broadcasting in January 2026. This is a completely limited production single CD that includes the opening theme "Adrena" and the ending theme "BABY". "Hanazakari no Kimitachi e" is a 23-volume shojo manga series serialized in "Hana to Yume" (Hakusensha) from 1996 to 2004, and the series has surpassed 17 million copies in total. The school story follows Ashiya Mizuki and her transfer to an all-boys school while disguising her gender in order to meet the admired Sano Izumi, and it has been adapted into dramas in Japan and across Asia, maintaining strong popularity even 20 years after the serialization ended. The CD package features a distinctive 30cm x 30cm art board depicting the heroine, "Mizuki". In addition, the original novels for both songs, "Adrena" and "BABY", are also included. The original novel for "Adrena" is "Magical" (written by Fuyu Tsuyama), and the original novel for "BABY" is "My Dear......" (written by Yasuko Aoki [Studio Monado]), with a 30cm x 30cm art board specification.