“I've built many doorways and set out traps so that no one will be able to reach this place. That's what the angel said. This is a castle of darkness for the angel and I alone. Only within this yielding gloom can I lament the misfortune that has rained down all around me, only here am I permitted to scorn and pity the ugliness, the filthiness of how I smile and pretend at being pure in the light of day.”

“Even though my angel has forgiven me and rescued me, who on earth will save him, who cannot be allowed into the light of the sun, who has lost his name, who can only hide himself in the world of darkness?”

“What I got in exchange for my false prosperity was only a fearful destruction, a cold mask, and a pitch-dark castle like a mausoleum that the Phantom made.”

“I couldn't save Kataoka."If I loved him, I had to grant him his last wish."So I told him what he wanted to hear."I said, 'No, you're no longer human.'"I hadn't been able to say anything.I couldn't speak, I couldn't move, I couldn't understand a word of what Miu was telling me."Kataoka smiled kindly."Like he was thanking me."Then he jumped off the roof."Osamu Dazai and I killed him.”

“I said, Saturday is the first day of my National Center Test.""That's tomorrow, though!" My eyes bugged out."Yes, ever since antiquity, the day after Friday has been Saturday.”

“I'm not a detective from Baker Street or an old lady who solves crimes while she's knitting in an easy chair. I'm just a book girl. So I can't make a deduction, only take a flight of fancy--er, forget I said that. I meant, I can only take a guess.”

“The angel destroyed me! He seduced me with a pure voice, spoke kind words, and stroked my hair to lower my guard, to make me trust him, to trick me! He sullied my body, my voice, my heart; remade me as a terrifying monster; turned me into his companion! The angel was a disfigured phantom wearing a mask!”