Se-mi - Mom Seon-nyeo - grandma 1 Thanos - Dad Guem-Ja - grandma 2 Dae-ho - brother 1 Jeong-dae - grandpa Nam-Gyu - brother 2 Il-nam - great Young-mi - sister 1 grandpa Hyun-Ju - sister 2 In-ho - gay uncle 1 Gi-hun - gay uncle 2 Jun-hee - Auntie Myung-gi - uncle Jun-hee and Myung-gi's baby girl - little cousin Jung-bae - friend you - Jun-ho Young-sik - awkward friend