S1, E2: Growing up in Japan transcends generational differences. The five Sato siblings are coming of age and trying to find their way in the world in modern-day Japan. Asahi (Satoshi Tsumabuki), Satoru (Eita), Hikari (Hikari Mitsushima), Haru (Tasuku Emoto) and Tadashi (Shuhei Nomura) must all face their own challenges of academics, employment, unemployment, social strata, friendships.