SPOILERS FOR ALL ENDINGS
Ending 1 - The bad guest
Leave without sitting down
Ending 2 - Unhelpful spiritual guide
Answer "Rain can make us gloomy"
OR answer "I am sorry..."
OR leave after answering "Of course!"
OR answer "I don't believe it"
Ending 3 - Blindness
Leave after answering "Really? Always?"
OR answer "Just kid stuff..."
OR answer "Nothing else..."
Ending 4 - Abandoned
Leave after answering "Eyezy works in the rain" without talking to the corrupted family
Ending 5 - Into the rain
Leave after talking to the corrupted family at least once, but without reading both letters
Ending 6 - Coward
Read both letters, then select "I will leave" (You can then only reread the letters or leave)
Ending 7 - Taken by darkness
Read both letters, then select "Do nothing"
OR select "Pray", then fail to continue selecting it
Ending 8 - The faithful
Read both letters, then select "Pray" and continue to select it