You are a witch.
Speak with the black cat for the first time.
Lend the cook a hand.
Read the Book of Death.
Part with the frog.
Get the question wrong on purpose.
Speak to the tadpole three times.
Pick up the watch.
Pick up the cute little bottle.
Get rid of the black cat's corpse.
Say your last farewell to the will of the house.
Read all of the Witch's Diary.
Read all of the past stories.
Watch every death scene.
Reach the Normal ending.
Reach the True ending.
Reach the True ending in Extra mode.
Reach the witch's room without talking to the black cat a single time.
Complete the game without entering the witch's house.