NHK Ni Youkoso Temporada 1 Episódio 22

After getting separated from Misaki, in the middle of Tokyo, Tatsuhiro runs into Hitomi ands ends up spending New Years Eve with her. They just end up separating after saying their farewells, when Tatsuhiro later meets up with a melancholic Misaki. The next day Misaki continues to spiral in despair as Tatsuhiro remains unaware, until their next counselling session.