Thus far Arai has successfully concealed her true identity from Kentarou who doesn&39;t suspect in the least that his huffy housemate is actually his dearest childhood friend Shi-chan But Kentarou&39;s little sister sees right through Arai&39;s disguise when she makes a surprise visit Now Arai is at the mercy of the little devil&39;s whims lest anyone else find her out! But when Karen&39;s future at Wakaba-Soh is threatened Arai may be forced to expose herself as Shi-chan to Kentarou Can his feelings for Shi-chan ever apply to Arai? Or has Karen already claimed his heart? Find out in the final volume of Welcome to Wakaba-Soh!