Spirit Medium: I Can Sign Beast Contracts Without Limit

(No heroine + solo protagonist + plot-focused + no filler) Nightmares descend, and the gods awaken. Blue Star enters an era where everyone can communicate with spirits. Upon coming of age, everyone can contract a spirit beast to fight for them. On the day of his contract, Chen Feng unexpectedly awakens the God-Tier System: Unlimited Contracts. “Ding! You have successfully contracted the S-rank spirit beast, True Essence Black Tortoise!” “Ding! You have successfully contracted the S-rank spirit beast, Heaven-Swallowing Phoenix!” “Ding! You have successfully contracted the S-rank spirit beast, Duke of Hell!” “Ding! You have successfully contracted the S-rank spirit beast, Seraph!” What's more, Lu Feng discovers that spirit beasts aren't the only things he can contract. He can even make unlimited contracts with nightmares! While everyone else is still worrying about their spirit beasts, Lu Feng looks at the army behind him. Lu Feng: “Are you guys any good?”