[1] It is produced by Red Nine Pictures and Xanadu Entertainment,[2][3] and starring Noh Sang-hyun, Keum Sae-rok and Son Jeong-hyuk.

[11] The principal photography of the series commenced in 2023,[12] with Noh Sang-hyun and Keum Sae-rok joining the cast.

[14] Ji Suho, CEO of Playing, Inc. an online talent and creator management company is ordered by his doctor and COO Hong Changsik to rest for a month after he collapsed due to tinnitus from overwork and stress.

Changsik orders him to stay home and take piano lessons as part of his recovery.

Bored at home because Changsik took away his computer, Suho scrolls TikTok and comes across a promising musician named K and reaches out to work together.