To My Detestable Younger Sibling

[Inter-Floor X-Sound Anthology] To My Detestable Younger Sibling] • [층간 X음 단편선] 나의 증오하는 동생에게 • To My Younger Brother Whom I Hate • 致我所憎恨的弟弟 • 나의 증오하는 동생에게