Miki, a high school student born and raised in Kyoto, knows very little about how to have fun. Her classmate Aya seeks to change this, with the reluctant help of another classmate, Midori.

After their encounter, the three girls, Miki, Aya and Midori, have become fast friends. Excited to step into the new world of board games, Miki and Aya implore Midori to intoduce them to more games.

Student council vice-chair Ren wants to bring Midori into the student council, but Midori declines, saying she has other priorities. Ren follows Midori to her workplace after school to find out what it is Midori is so passionate about.

Emilia's dream is to become a game designer. She wants to discuss this with Midori, who shares the same dream, but Midori is afraid that she would be simply inferior to Emilia.

Aya's father Kenji comes home to Japan, just in time for Christmas. However, he seems to be more excited about his work than seeing his daughters.