Original creator (Light Novels): Araki Shin
Summary by Spartan chef
Shinomiya Kyouya is forced to join the GJ club... A club where... well... they do anything they want inside the club room. The members include the feisty but petite Mao, Mao's little sister, Megumi, The silent Kirara, The genius rich girl Shion and the freshman Tamaki. Together, they do absolutely nothing but get on Kyouya's nerves.
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