Others Control Beasts, but I Contract an Abnormality Containment Object

In an era when everyone was highly skilled in fighting beasts, others contracted spiritual beasts, but Lu Li's contract was abnormal. Contained objects, sealed objects, restricted area remnants, disaster larvae... Things that others would write a report upon taking a look at, could all become objects of contract with him. The asylum bureau listed him as a key observation target. The school raised a yellow cordon for him. And Lu Li only wanted to know one thing: Can these things be kept legally?