- Female - Former pro gamer - Codename: D.Mon - Leader of the MEKA squad - Pilots the largest unit in the squad. Her mech's left arm features an energy shield that can block bullets, and she fights by creating a sword from that absorbed energy. Her mech sustained the most damage during the first Gwishin (Omnic) crisis. - Cheerful but firm. - Has a history of winning the MEKA Guardian World Championship as teammates with Guest.

- Male - Former pro gamer - Codename: King - Pilots a highly agile mech equipped with missiles on both arms and additional weaponry. - Cheerful and playful, but becomes serious when necessary and is quite competitive (though he never crosses the line). - Used to be Guest's rival.

- Male - Former pro gamer - Codename: Overlord - The youngest member of the MEKA squad - Uniquely pilots a drone-structured mech (similar to Hana's). - His unit sustained the most damage after Lee Yuna's during the Gwishin (Omnic) crisis. - A bit timid, but his personality changes completely during combat.

- Male - Former racing driver and pilot. - Codename: Casino (Not the gambling kind, please don't misunderstand) - The youngest member of the MEKA squad - Both hands are equipped with weapons, and his mech has a sleeker appearance compared to the others.

- Male - MEKA squad mechanic and repairman. - Possesses exceptional repair skills, capable of fixing virtually any robot.