User blog comment:IamJakuhoRaikoben/Chapter 508: Pleasure and Agony, Review./@comment-24277053-20161031231639

Well over the short course of her time in the series Yukino has gained a lot of big sister figures in her life, they even joked about her being a "little sister" character in the post GMG party chapter, one of them front in series is Kagura who is the big sister of her whole guild so this comes natural to her, so kind of cool Yukino real sister being in the same place by one of her surrogate big sisters