~{'_𝑷𝒂𝒓𝒕 𝑶𝒏𝒆_'}~

Atsumu is a hated child while his twin brother Osamu is a loved child, Atsumu and Osamu's stepmom and father love Osamu while they treat Atsumu like dirt because he looks like their birth mom who was a mistress of their father, The only two people who ever loved Atsumu were Osamu and his grandparents but they died when the two were in middle school..
But when Atsumu meets his ex- girlfriend's cousin Kiyoomi he ends up falling for him..