She just wants to start fresh so she can graduate in peace. She just wants to leave behind all the bad memories — her sleepwalking, the trauma from being bullied at school — all of it. She did everything she could to keep to herself, but the class president, Hae-On, just won't leave her alone. One day, when Seul-Bi visits the local lake Hae-On recommended, she comes across something she never imagined seeing in her wildest dreams: a wild, dark mermaid. (Source: WEBTOON, edited) *Note: Includes one extra.*

When architect Jae embarks on a solo vacation to Spain, it may seem that she’s running from her past, away from her abusive ex-boyfriend who sought to control her life. For Jae, however, the trip represents a new chapter as she learns to stand on her own again. Her vacation takes an interesting turn when she’s mistakenly assigned to the same hotel room as Joff, a handsome and successful businessman who is intrigued by Jae’s kind and independent nature. Meanwhile, a sinister figure from Jae’s past begins to haunt her once again… (Source: WEBTOONS) *Note: Chapter count includes a prologue.*