The youngest lawmaker-elect of a minority conservative party formed by former ruling party lawmakers is at the center of the growing controversy, for allegedly both "paying her way" into the legislature and apparently exaggerating her qualifications.

Yang Jeong-rye, 30, who got the No. 1 proportional seat of a group of former Grand National Party (GNP) leader Park Geun-hye supporters, is currently under investigation by prosecutors for allegedly paying 101 million won to the group.

The GNP splinter group, consisting of lawmakers who bolted from the party after failing to win nominations, ranked third in the elections with 13 percent of the vote, earning a total of eight proportional