Lately, my own sibling is now unusual. It's clear a distinct change in her conduct, that is quite unexpected. Although we have been tight-knit, this fresh side of her has taken me by shock. I have been still trying to comprehend the reasons behind her unusual behavior. Our family are backing her throughout this phase and anticipating her return to normalcy shortly.
Saikin Imouto no Yousu ga Chotto Okashiinda ga MangaDex