Nil Admirari no Tenbin: Teito Genwaku Kitan

The Taishou era didnt end in 15 years, but went on for another 25. In order to protect her waning family, a girl resolves to marry a man she doesnt even know the name of. However, just before the marriage was to take place, the girls younger brother mysteriously committed suicide by self-immolation and was found holdi…