tgp_restore_japanese_monarchy_yamato_restoration_effect

tgp_restore_japanese_monarchy_yamato_restoration_effect = {
	add_character_flag = tgp_japan_restore_japanese_monarchy_flag
	if = {
		limit = { exists = scope:scion }
		if = {
			limit = { exists = title:k_chrysanthemum_throne.holder }
			create_title_and_vassal_change = {
				type = usurped
				save_scope_as = change
				add_claim_on_loss = yes
			}
		}
		else = {
			create_title_and_vassal_change = {
				type = created
				save_scope_as = change
			}
		}
		title:k_chrysanthemum_throne ?= {
			change_title_holder = {
				holder = scope:scion
				change = scope:change
			}
		}
		if = {
			limit = {
				scope:scion.liege != scope:kampaku
				scope:scion != scope:kampaku
			}
			scope:scion ?= {
				change_liege = {
					liege = scope:kampaku
					change = scope:change
				}
			}
		}
		resolve_title_and_vassal_change = scope:change
	}
	remove_character_flag = tgp_japan_restore_japanese_monarchy_flag
	hidden_effect = {
		scope:scion = {
			if = {
				limit = {
					NOT = { government_has_flag = government_is_japan_administrative }
				}
				change_government = japan_administrative_government
			}
		}
	}
}

As written in game/common/scripted_effects/10_dlc_tgp_japan_scripted_effects.txt.