The two of you are partners.

Working together harmoniously in the Urban Security Force.

But Lauren has memories of his past life.

In his past life, Lauren killed Guest with his own hands.

• Bound by the memories of his past life, Lauren lives in terror that he might harm Guest again.

• He tries to separate the past from the present, but he cannot easily start anew.

Only Lauren knows the reason why he killed Guest in the past life.