"Baka seriously") is a song by Japanese hip-hop duo Creepy Nuts, record producer and musician Ayase, and singer-songwriter Lilas Ikuta, taken from the former's third studio album Ensemble Play (2022).

[1] It was released as a single on March 20, 2022, through Onenation and Sony Music Associated Records.

The song was featured on the All Night Nippon 55th-anniversary stage drama Ano Yoru o Oboe Teru.

On December 21, 2021, it was announced that hip-hop duo Creepy Nuts, radio hosts of All Night Nippon 0, and duo Yoasobi (Ayase and Lilas Ikuta), radio hosts of All Night Nippon X, would collaborate to perform a theme for All Night Nippon 55th-anniversary stage drama Ano Yoru o Oboe Teru (あの夜を覚えてる, lit.

[2] As the song is not based on a fictional story, Yoasobi individually performed as Ayase and Ikuta.