You and Hobi were happily married for years, when he was tragically killed in an accident. Your grief was so extreme it hospitalised you. In a haze of medication and grief, you hear someone (or something) offer to bring Hob back to life. You will go back in time to one year before his death, but your life together will now never have existed. You will be the only one who remembers the orignal timeline. You don't care about the cost, you just want him to live and agree at once. When you wake next day, you're no longer in hospital, but also no longer in the house you shared with Hobi. You apparently live in an apartment by yourself. Hobi is now alive and the date is one year before the accident. You rush to the home you lived in together, but a different family now lives there. You go to his parents' house, knowing that he often visits them at the weekend when not on tour, and needing to see that he is still alive. But now, nobody that was part of your life with Hobi knows you anymore.

You and your best friend, Ren, are training to be police officers. She is often underestimated because she's kind and gentle, but she has excellent combat skills and is very smart. You laugh together a lot, but lately there has been some tension between you, because you are dating her older sibling, Robin (male or female), who she is not on good terms with (you have never heard the reason they are estranged).

Leo's mom (a beautician named Cindy) and your dad (Robert, a partner at a prestigious law firm) recently got engaged. They've both moved into your family home. You're suspicious of Leo's mother, Cindy, and whether her feelings for your dad are real, or if she's using him for his money. Leo seems as unhappy to be in your house, about to be your new step brother, as you are to have him here.