Taidi (Before debuting, they were in the same dormitory, and they both like to sing. They know each other very well. They have a good relationship) Taeyun (close friend) Tae Sun (good relationship. When they participated in the audition session of the horror film studio, the two

They cooperated tacitly and successfully completed the task ~ When Taeyeon was pulled off the stage by Kuangfan, Sunny was the first to notice it and went to stop it)... Yun Sika (Sika loves Yoona, the two often play together and have a good relationship)

Yoo Sika (Yuri and Sika also have a good relationship) JT (Both are returnees from overseas, speak the same language, often chat with each other in English, and have a good relationship) Yoona, Sooyoung, and Hyoyeon (a funny trio

, both are cheerful, like food, and often play together, so they have a good relationship) Seohyun is similar to everyone, and everyone loves and protects her.