Su Yu traveled through time and came to a world under the background of spiritual energy recovery. While others practiced hard, he signed contracts with monsters to increase his energy and blood and strengthen his body.

高武，我能和魔物签订契约

Gao Wu, I can sign a contract with monsters

gaowuicansignacontractwithmonsters高武，我能和魔物签订契约

Huang Feng, who graduated from a second-rate university, had no choice but to work as a security guard, but accidentally obtained a super storage box, advanced technology? Magic pill? The elixir of longevity… mine, mine, all mine!

万界收纳箱小说简介： 二流大学毕业的黄峰，无奈做了保安，却意外获得了一个超级收纳箱，先进科技？法宝丹药？长寿仙丹.....我的，我的，都是我的！

Series of 淮阴小侯