The netizens who encountered this responded in various ways such as "Beautiful", "Lovely", "Sakura" and "Gammimo".
About Sakura
Sakura Miyawaki is a Japanese singer and actress. She is a former member of the Japanese idol girl groups HKT48 and AKB48, and the Japanese-South Korean girl group Iz*One. She is a member of the South Korean girl group Le Sserafim.
 Wikipedia