Somebody Please Explain What’s Going On Here! ~A Wedding that Began With a Contract~

The poor aristocrat Viola suddenly received an unexpected marriage proposal from the prestigious noble household of Duke Physalis. An average noble daughter and the handsome duke. She had been confused, thinking that nothing made sense, but the duke had his own personal reasons. A political marriage with ulterior motives, both having their own circumstances. Will this path lead to happiness or sorrow?

Can Someone Please Explain This Situation?,
Can Someone Please Explain What’s Going On?!,
Dareka Kono Joukyou wo Setsumei Shite Kudasai Keiyaku kara Hajimaru Wedding,
Somebody Please Explain What’s Going On Here!,
Dareka Kono Joukyou wo Setsumei Shite Kudasai!  ,
The Duchess Of Rosia – A Contract Marriage? How Did This Happen!?,
誰かこの状況を説明してください!,
誰來說明一下狀況！~公爵邸的契約嬌妻