live in korea multicultural family residency korea f6 visa after divorce korea multicultural divorce visa korea multicultural divorce Korea visa F6 divorce visa Korea multicultural family school Korea foreign parent residency korea child visa korea multicultural family visa korea multicultural custody visa Korea family support korea foreign parent education issues Korea child custody foreign parent Korea multicultural family benefits Korea foreign family registration Korea foreign parent school registration Korea multicultural family school communication Korea childcare subsidy multicultural Korea foreign parent residency korea multicultural family korea multicultural family school risk Korea foreign parents school issues Korea child born in korea foreign parent visa multicultural family visa korea foreign parents korea divorce visa korea child custody foreign parent korea immigration parenting proof school records visa Korea foreign parent child education support korea