TOMODACHI NO IMOUTO GA ORE NI DAKE UZAI VOL.1-12 END

STORY : 

If a girl teases you, that means she likes you!Unfortunately, Akiteru knows from experience that isn't the case. Because every girl he interacts with shows him nothing but scorn, and he's not scored a single date from it! Luckily, he's more concerned with securing a spot for him and his game-development buddies at his uncle's business.But when his uncle throws him a condition that involves playing the part of his daughter's boyfriend, Akiteru has no choice but to take it. What will his best friend's sister Iroha, who bullies him relentlessly, think of the news?

不需要交往，不需要女友，高中生大星明照将青春的一切都当作低效的东西舍弃了。
不知为何，好友的妹妹小日向彩羽一直泡在他家里。
被占据的床！突然的点到即止美人计！与呼啸的烦人暴风雨！
在学校作为清秀的优等生大受欢迎的彩羽，只喜欢缠着明照。
被这样情绪高涨的女性彩羽烦恼的明照面前，出现了盐对应女子——真白。
以此为契机，明照、彩羽以及伙伴们的日常生活发生了巨变。