Rinsama_'s manga / #SciFi(1)

Multiple stories 1) vampire uke, cold and I think he's a bit aphenphosmphobic seme. Seme got bitten by uke by chance, he felt pleasure for the first time in his boring life. They continued until seme collapsed because too much blood lost. Uke disappeared. Seme became a doctor for vampire because he didn't wanna give up on uke. 2) this is a little fucked up.. So, let's say, A met B in a biology room. They fell in love, they kissed. The B disappeared suddenly after that. A was confused of course. A's dad came. Basically B was A's dad in the past. B found a girl who looked like A married and had A. See how fucked up it is? 3) Astronomy club. A hot headed seme who got kicked out of football club because he hit his senpai. An uke who spread rumors that he stole ppls bf because he wanna protected his crush who was caught having sex with him.