Kousuke surprises Masahiro by inviting him out on a spur-of-the-moment road trip. And when they arrive at the hot springs, things get pretty steamy...! As Masahiro gets to know how deep Kousuke's love is for him, he also begins to wonder about what he's missing, as Kousuke's mysterious past tugs at him. Meanwhile, dark clouds loom over Asaya and Kensuke's relationship...