I think the virus was in the broken jar in the back room of the shed. Natsuko probably broke it that day that she locked herself in the shed and got infected that's why she was sick for a few days. She's also probably the one writing the letters unconsciously. （￣へ￣）
I think the virus was in the broken jar in the back room of the shed. Natsuko probably broke it that day that she locked herself in the shed and got infected that's why she was sick for a few days. She's also probably the one writing the letters unconsciously. （￣へ￣）