Cha Hae-In was the Vice-Guild Master of the Hunters Guild and the female sword of the main attack group. She is the number 9 hunter in South Korea. It is also the only female S-Rank in South Korea. He hates the smell of hunters except for Sung Jin-Woo. Only Leveling is a Korean novel written by Chu-Gong, it was serialized in Papyrus and later in KakaoPage and concluded with 14 volumes and 270 chapters. On April 13, 2018, a webtoon serialization began on the Korean mobile site KakaoPage drawn by artists Gi So-Ryeong and Jang Sung-Rak. It has been translated into many languages through fan translations.