During the summer, Sugiyama travels with his fellow tennis team members to a remote training camp. While there, his step-sister Mio has other training in mind. However his doubles partner Saeki has something else on her mind after seeing their training.
1 - 1Fault!! Episode 1 Nov. 20, 2009
1 - 2Fault!! Episode 2 May. 28, 2010
1 - 3Fault!! Episode 3 May. 20, 2011