ash's manga / #parallel world(2)

1st story is ab how the uke travels to a parallel world and in there he and his rival are like a couple then aftwards the rival makes uke fall for him but immediately aftwards uke gets transported bck to his actl world 2nd story is ab this guy who has like an inferiority bc his face doesnt match his voice and the seme who finds his voice attractive 3rd story is ab this guy whose into this chubby guy