White Dove 白雀の不完全ガイド 「染血的双手 END」「腐朽的躯体 END」のみ。 

Sorry this isn't much of a guide, but basically you wake up find pieces of a diary and may ways that you may die. You can't go upstairs until you unlock the door which the dove goes into. Even though I open the only chest and don't activate the perils (clo...