The World of Machine Girl: Starting Contract Valkyrie School Beauty

Wu Yulong traveled to an era of robot girls, where women could transform into powerful and invincible robot girls to fight, while men could transform into commanders to assist in combat. However, he died in a miserable manner in his first life, and he unexpectedly awakened the system in his second life! Relying on the system, Wu Yulong signed the Valkyrie school beauty who had not yet risen, and moved towards the strongest commander step by step!