Tell me! (Seventeen Mingyu)

There is a girl name Kim Kaarina.. She is a uzzlang. She came from a very rich family because her dad is a singer and her mom is a 'stay Home mom' kaarina has 2 older brother named Jeon wonwoo and the other is named lee minhyuk. Both of dem are from Popular boy groups Minhyuk oppa is from BTOB then wonwoo is from SEVENTEEN. She had a childhood Friend named MINGYU from seventeen. Eventually Kaarina had a car accident she lost her memory. Mingyu missed her so much that He wants to give her clues so that Kaarina can remember Mingyu.