Bokusatsu Majo No Purei Nikki ～ Hikikomori No Imouto Ga Zenzen Kamattekurenai Node, Geemu Ni Nagurikonde Bosu No Shikabane No Ue De Ai Wo Sakendetara Saikyou Ni Narimashita～ (Associated Names)

Suzumiya Suzune is a high school girl who loves her younger sister so much it’s unbearable. Despite this, she spends her days being treated coldly by her precious little sister, Shizuku. One day, her close friend tells her that Shizuku has recently been obsessed with a VRMMORPG called “Fantasy Frontier Online”. With her mind completely…