Crisis! I Can Summon Beings from All Worlds

[System + High Martial + Giant Beasts, Zombies, Summoning from Myriad Worlds] After surviving a crisis in the solar system, humanity falls into an even greater crisis! Strange beasts run rampant, and zombies mutate! There are even threats from outer space! With the Myriad Worlds Summoning System, you have your people, and I have mine! You mean him? He’s my senior fellow disciple. What’s wrong with being invincible?! This is my sect. What’s wrong with being just a little bit powerful?! Summoning from myriad worlds, strongest beneath the heavens!