Help Please just end my suffering

[Toothless Bunny]

I can't leave him even though he is hurting me.
I can't die and leave my little sister behind, she will die too.
I don't deserve this life why am i always back here no matter what happens no matter how much change happens
Please help i don't wanna ctb my sister needs me

 

[Worndown]

You continue to exist so you can save your sister. You have purpose, value and a mission.