Coote and Naoe Rie become lovers, and another "Little jijikb.com Busters!" The world. The men's dormitory was unusable due to a water leak during the renovation work. For the desperate Riki, Kurt reached out on the grounds that "the roommate is still recruiting...". Thus began the summer vacation spent with Kut, which brought them a variety of new tasks. What did Riki and Kurt get in the end......?