One day, while roaming through some ancient ruins, Haechan stumbled upon an ancient artifact that he didn't know the use of. He kept it in secret, and it became his most prized possession. He doesn't want one single being to know about this. As a greek mythology siren, Haechan's singing is more impactful, if he uses right technique, he can order people with his sweet voice, bur overusing ends with him developing feathers in his hair.