最強な弟の異常な日常!?

From Author Wars - https://authorwars.com/books/zui-qiang-nadi-noyi-chang-nari-chang-2462194.html

Overview:

Title: 最強な弟の異常な日常!?
Author: 藤孝剛志
Year: 2015
Type: Novels
Series: 姉ちゃんは中二病 / My Big Sister Lives in a Fantasy World
Number in Series: 5

Variant Titles:

2017. The Strongest Little Brother's Commonplace Encounters with the Bizarre?!

Genres/Themes:

young-adult fantasy