Weak Summoning? but My Summoned Beast Can Fuse!

[Urban High Martial Arts] + [Summoned Beast] + [Single Female Protagonist] + [Pet Beast Fusion] Lu Ming traveled to a novel he was reading and became a summoner that everyone disliked. But he unexpectedly awakened his super talent. From then on, his summoned beasts can be fused to ascend to stars. Garurumon, which is covered in steel; the Devouring Demon King who is like venom and can possess and transform; the terrifying pet beast Ghost Queen who destroys an entire city with one beast; the Elf King who is formed from the fusion of multiple elves... Since then, Lu Ming has embarked on the path of crushing the whole world with summoned beasts.