black's Questions (2)

plss help me find the manga genre: yaoi so I forgot the story but the cover is them and the seme is have ears of beast; the story that I can remember is that there is a rare disease that cause human to became a beast so the seme had it and as the story goes whenever they do it he always say "bear my child" or something like that and so the uke then became obsessed on how he can get the disease because in some cases the couple who have same gender had an offspring because of the disease and this is what I left outttttt I need to find this oneeeee Pls welp Mee this is manga btw

so there's this webtoon I can't find and it's one shot btw, so he never go to outside as his boyfriend says it's dangerous but he is a great inventor he said he created the clock tower so the uke is so amazed to hear it but then suddenly theirs a visitor a client so he said go to the room and don't open it until the man leaves so he does but in some point he got curious and looked for the visitor they then talk and so on as he's boyfriend sees how he doing on that room he immediately sent the visitor off and so the horror begins as he runs he see the mystery room so he hid in their but he see a thousand of his clones there where they have a broken wrist, face,as if it was abused so then when he realized he's also robot he got slash onto the neck but the tears on he's eyes are real... So then the seme collect the usable parts.