The following explains how members of the Diet's House of Councillors are elected in the Sunday election.Lawmakers in the House of Councillors, the upper chamber of Japan's bicameral legislature, serve six-year terms. An election in which half of the chamber's seats are contested takes place every three years.A total of 124 of 248 seats will be up for grabs this round, together with one to fill a vacancy in the other half. The chamber had 245 seats, but three were newly added as part of electoral system reform.Members of the upper house serve a full term, unlike lawmakers in the House of Re…READ FULL ARTICLE