[Reporter Park Jong-gyu] The Korea Corporate Reputation Research Institute announced the results of the May 2026 Rising Star Brand Reputation big data analysis. This survey calculated the brand reputation index by comprehensively evaluating participation, media, communication, and community indices, based on 108,737,079 pieces of Rising Star brand big data collected from April 30 to May 30. The analyzed data volume represents a 4.31% decrease compared to 113,629,970 pieces from the previous month.

Cortis took first place in the May Rising Star Brand Reputation. Cortis recorded a participation index of 567,522, a media index of 1,332,392, a communication index of 1,431,000, and a community index of 1,364,026, resulting in a total brand reputation index of 4,694,941. This figure marks a staggering surge of 409.37% compared to 921,724 from the previous month.

Second-place Byeon Woo-seok achieved a brand reputation index of 4,308,953 by recording a participation index of 888,377, a media index of 1,233,235, a communication index of 1,002,423, and a community index of 1,184,918, marking a 1.30% increase compared to the previous month.

Risenne ranked third with a brand reputation index of 3,698,403, which was the sum of a participation index of 245,915, a media index of 685,119, a communication index of 1,590,837, and a community index of 1,176,532.

Following them, fourth-place Park Ji-hoon saw his brand reputation index drop by 5.25% to 3,555,042 compared to the previous month, while fifth-place Kim Yong-bin was tallied at 2,668,603, a 22.07% decrease from the previous month. In addition, Lee Sun-min, Han Ro-ro, Bibi, Kim Hye-yoon, Stray Kids, Woodz, Kim Go-eun, Heo Kyung-hwan, Kiki, and Joo Woo-jae were included in the top 15.

Koo Chang-hwan, director of the Korea Corporate Reputation Research Institute, stated, "Cortis ranked first in the May Rising Star Brand Reputation." He added, "Although the scale of big data decreased by 4.31% compared to the previous month, brand consumption increased by 23.77%, while brand issues (-0.37%), brand communication (-12.87%), and brand diffusion (-1.77%) declined."