Pairings: Shigino Kisumi x Yamazaki Sousuke; one-sided Yamazaki Sousuke x Matsuoka Rin
[set around episode 8 of Free! ES] Kisumi drops by Samezuka to say hello to old friends Sousuke and Rin–and decides to lend a “helping hand” to aid Sousuke in coping with his feelings for his best friend that he can’t bring himself to act on.
Five people summoned to another world to battle the demon lord who threatens that world. However, there were only four heroes that were summoned, and the other an innocent bystander. What will the innocent bystander do next?