YOU SAID:
my mom is flying while my dad is playing fortnite
INTO JAPANESE
父がフォートナイトをしている間、母は飛んでいます
BACK INTO ENGLISH
Mom is flying while dad is playing Fortnite
INTO JAPANESE
お父さんがフォートナイトをプレイしている間、お母さんは飛んでいます
BACK INTO ENGLISH
Mom is flying while dad is playing Fortnite
That didn't even make that much sense in English.