Rin witnesses Taiga meeting his ex-girlfriend Masumi. Taiga promises that they won't meet alone again, but Rin's anxiety remains. The two pull themselves together and head off on a long-awaited hot spring trip, but Rin's frustration over Taiga's continued involvement with his ex-girlfriend through work remains, and the trip ends up in a tense mood... Meanwhile, Masumi contacts Taiga again, sparking a huge argument...!
