That snake looks like the snake from Hoshi/Wakusei no Samidare, aka Lucifer and the Biscuit Hammer. The partner to Yayoi.
Be careful about the snakes, they can change your perception of things....Chireiden...The pets...(nam)usanpouYou're not eating?snake...The last time I read sister's heart was in Chireiden's courtyard.I have been ill with heart too, but I got used to it.
In the underground, there are a lot of people as well as pets who care about us. If you close your heart and do not accept others, no one can accept you either, please try as hard as you can......Ah...Koishi!
To close the eye simply because you dislike it is same as running awaywoa...As hard as I can...