Be Invincible Starting from Killing Mosquitoes

Linghu Tian, an ordinary retired soldier, accidentally obtained a magical system Kill a mosquito, "bite", and gain +1 experience point People can actually defeat monsters and level up There is also a magical system mall. Arms? I have! Pill? I have! JK uniform? Me too! One person is an army! See how I can become invincible step by step Should he become a pawn in the struggle between wealthy families, or should he jump out and fight for his life with heaven and earth? A rich lady who still has charm, a lolita with a delicate body, a star lady with long legs... Who will accompany me to the end? , This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.