本指南仅提供成就解锁方法，剧透成分已降至最低，请放心食用~ 

还愿. 

整理出全部的觀察點，方便玩家完成全部的成就。 裡面還附了一些簡易攻略，主要是針對比較容易有問題的部分，像是鋼琴，還有第4章的對話選擇。  

仅供查漏补缺。 

this is completely spoiler! I made this guide to remind myself. cos I played it, I love it. and don't wanna forget the detail.. so... if you don't like spoiler just pick up the map and enjoy playing. and if you are already finished it. my guide very welcom...