Rule 34 Dev - 2019 2boys bigger_dom blood bottomless brother/brother brothers crying crying_with_eyes_open drooling finger_in_mouth heki_(artist) horrortale incest insertion male male_on_male male_only papyrus papyrus_(horrortale) papyrus_au sans sans_(horrortale) sans_au smaller_sub undertale_au|5229617016