Toumei ni Kuchizuke

Kusuhara Souta discovers he is being watched while alone in his apartment. The observer is Nishino Kazuma, a recently deceased salaryman who can only be seen by Souta. Nishino asks to stay with Souta until he moves on. Over time, a bond develops between them. Souta helps Nishino uncover the truth behind his death, while Nishino supports Souta in overcoming his personal struggles.