The few members of society without power suffer from severe inferiority complexes. Most people in this world have lots of power, so the few that do not feel quite inferior. It is this feeling of inferiority that fuels their inferiority complexes.
Since you suffer from such extreme feelings of inferiority, when someone offers you and your friends the chance to gain power, you yell “Let’s (れつ) go!” without a second thought. “Let’s go, guys! Come on! Power awaits us!”
Currently there are no similar looking kanji which exist in the WaniKani learning system