It was alr. The mc and ml are childhood friends but then one day MC is stressed bc of his mom thats in the hospital so he argues with his sister and gets pissed so he runs out of the hospital and almost gets hit by a truck but ml saves him and gets hit instead, so in order to keep living ml makes a deal with his alien friend exchanging half of his body to keep on living. And its okay? The seme is cute but hes very forceful and weird and the plot is meh but the translation was cooking ngl
The Beauty Within Mii