In "The Healer's Journey: Twice in a New World," a male reader and avid otaku finds himself unexpectedly transported to a fantasy realm along with the members of the popular K-pop group Twice. Armed with his knowledge of isekai stories and his unique healing abilities, he becomes their healer and guide in this unfamiliar world. Together, they navigate challenges, discover their extraordinary powers, and embark on a quest to find a way back home. As they face formidable foes and forge unbreakable bonds, the "Twice Healers" will leave their mark in this fantastical realm and uncover the secrets that await them.