"Heart Abyss Dream" Grief Achievement Guide shares this problem. It is a small problem that everyone will encounter in "Heart Abyss Dream". The solution to this problem is very simple. There are several solutions to this problem. The editor has summarized it for users. Please read these solutions in detail.
grief
Come to the town of Rest to talk to Nicole and accept the mission to mourn.
When exploring the Road to Rest map, go to the location below and interact with the tombstone to complete the memorial mission.