Heisei Kenkyūkai
Heisei Kenkyūkai (, Heisei Research Council) is a faction within the Liberal Democratic Party (LDP). It is currently led by Toshimitsu Motegi, the current secretary-general of the LDP. Faction heads
Faction heads who became prime minister are in bold. References 

Political party factions in Japan
1987 establishments in Japan
Liberal Democratic Party (Japan)