A bright star appears in front of Hosu, who lives his life for his sick little sister: Leeseo, a singer who is about to debut soon. But Leeseo is facing a sudden change, as some woman declares to be his blood-related mother… Nobody knows how much pain Leeseo is going through behind all the stardom and Hosu becomes the only one who can comfort him. Original Webtoon: Lezhin, MrBlue, Kakaopage Official Translations (All-Ages): English: Tappytoon, Manta, Pocket Comics, Toomics German: Tappytoon, Delitoon Others: Japanese, S.Chinese Official Translations (Mature): English: Lezhin, Toomics, Lalatoon, Pocket Comics, Manta Others: German, Thai