Rikon Yotei no Keiyakukon nanoni, Reikoku Koushaku-sama ni Shuuchaku sareteimasu

Mila, a girl raised in an orphanage, was born with a rare ability—she can absorb magical energy from objects and people. Her adoptive father, Baron Weston, has exploited her gift to cleanse weapons and dark artifacts stained with miasma, wearing her body down to the point that doctors have told her she had only a year left to live. One day, Mila collapses from exhaustion at the temple and is rescued by a beautiful woman named Anneliese. But the help comes at a price—Anneliese begs Mila to save ...