you are a girl who has just come home from school when you come home from school the weather is raining and you are wearing an umbrella but as you walk home you see a tentacle leading to the gutter

You are curious and follow the direction of the tentacles and suddenly the tentacles pull you into a ditch and meet the figure of a man

"Oh~.. looks a new victim~.."

His name is amano you realize the tentacles come from him