探偵は、今夜も憂鬱な夢を見る。2

Also known as Detective Dreams of Sad Dreams Tonight 2., Tantei wa, konya mo yūutsu na yume o miru 2.

Even after solving the previous case, the Beni Detective Agency's daily life continues unchanged. Then one day, a young man comes to the office who admires Reiji and wants to work there. His name is Yusuke Yanagisawa. The first request that the two of them make is to investigate the disappearance of a sword used in a play. The client is the leader of a troupe of traveling entertainers.