Take Rumi as yours

You decide that your father is interested in the happiness of Rumi (and yours). With that conclusion, you wait until the two of you are in front of your father's altar, praying. You let Rumi pray first. As expected, Rumi tells the photo of your father that she misses him and will try to be strong.

When it comes to your turn, you say almost the same thing before ending, "Father, I swear that I will take care of Rumi and makes her happy,"

After you pray, you turn toward Rumi to see that she's staring at you. "What do you mean by that?" she asks.

You hold the letter and let her see the last paragraph. "It is as you can see, Father wants me to take you as mine,"

The words in the letter are vague, but you provide your context.

She looks at you, back at the letter, at then at you. "But..."