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(Frank's POV)
In the morning there was something wrong going on with Miriam, I don't know what it was but she seemed sickly and even a bit feverish, it made me really worried and I desperately used my skills to infuse life into her and heal her. She was looking so pale that I felt that something wrong was happening, but thankfully she recovered after what I did, albeit there was something in her that seemed different from every day, perhaps she had a very bad nightmare, and was recovering from it.
Check "The Protagnist's Sister Is Actually the Strongest"!