Falling into A Different World

A young girl who was on her deathbed decided to embrace death with open arms, only wishing that her loved ones live happily. An old god decides to take advantage of her death and sends her to another world only to have it backfire on him. Now, the girl has to face the dangers of what the old God had caused, she was just confused as to why everything was so familiar to her. Wait! Is this my book?! Is that why I have a Gamers System?! Watch as the young girl, Yuna, embarks on a journey to figure out how she got there and just enjoy the second life she was given. Though, something kept nagging at her. Was this all just something she made up to amuse herself? If not, then who was she?