This is episode 10 of 57 of Be Mine, My Hobo Valentine. Play it below, then continue straight into the next episode — the whole season is free and needs no account.
Opening of the season — the setup and the first turn.
After her mother's death, Saya suffers abuse from her father and his new family. To protect her grandfather's estate, she must enter a marriage and produce an heir. So she marries a "homeless" who's secretly the wealthiest heir. Under his protection, she defeats her enemies, and they fall in love.