I.O.I members have displayed unwavering friendship despite 10 years passing since their debut. Joo Kyul-kyung, who did not participate in the group's recent activities, visited the I.O.I concert in Hong Kong, showing her support and affection for the members. The event was part of I.O.I's 10-year anniversary celebrations, and Joo Kyul-kyung's attendance has put an end to rumors of discord among the members. - Joo Kyul-kyung visited the I.O.I concert in Hong Kong, despite not participating in the group's recent activities. - Her attendance has put an end to rumors of discord among the I.O.I members. - The event was part of I.O.I's 10-year anniversary celebrations, which have brought the members back together. Q: Why is this trending? A: The reunion of I.O.I members, including Joo Kyul-kyung's surprise attendance at the concert, has sparked interest and trended due to the group's nostalgic value and the heartwarming display of their lasting friendship. | I.O.I members have displayed unwavering friendship despite 10 years passing since their debut. Joo Kyul-kyung, who did not participate in the group's recent activities, visited the I.O.I concert in Hong Kong, showing her support and affection for the members. The event was part of I.O.I's 10-year anniversary celebrations, and Joo Kyul-kyung's attendance has put an end to rumors of discord among the members. - Joo Kyul-kyung visited the I.O.I concert in Hong Kong, despite not participating in the group's recent activities. - Her attendance has put an end to rumors of discord among the I.O.I members. - The event was part of I.O.I's 10-year anniversary celebrations, which have brought the members back together. Q: Why is this trending? A: The reunion of I.O.I members, including Joo Kyul-kyung's surprise attendance at the concert, has sparked interest and trended due to the group's nostalgic value and the heartwarming display of their lasting friendship.