My Little Sister Haruna, Who Loves Me So Much

About this work

One day, while I was casually looking at T○it○er, I found my little sister's private account! A real private account followed only by people she is truly close with. When I sent a follow request from my private account, she accepted right away for some reason, so I nervously took a peek... I was shocked to see it said, "I love my big brother so much I can't stand it"!