A Goal with a One-Way Path (Ippō Tsūkō no Shūchakuten - 一方通行の終着点) is the 12th episode of THE iDOLM@STER anime series. It first aired on September 23, 2011.
Miki hasn't come for practice sessions for the past few days much to the worry of the Producer and the idols as the day of the concert gets closer. After Ritsuko explains about the talk she had with Miki about the misunderstanding over Ryūgū Komachi, the Producer realizes what happen and tries to call her to come back and stop being selfish but Miki tells him she no longer has the enthusiasm to perform before ending the call. Kotori calms the Producer down since Miki is still a teenager which makes him realize his mistake of treating her like a professional and never considering her feelings. As the Producer searches for Miki around the city, the idols begin to have doubts if Miki will return but Chihaya is convince she will come back and they should continue practicing. After the Producer finally finds and apologizes Miki and asks her to come back, Miki reveals she wants to quit being an idol as she lost her enthusiasm upon learning she can't join Ryūgū Komachi. As the Producer follows her around the city trying to make her reconsider, they stop at a lake where she reveals she work hard during the practice sessions hoping to join Ryūgū Komachi so she could wear cool costumes, be on stage and popular just like them. But the Producer tells her things have change since now it's the rest of other idols turn to be in the spotlight so he makes a promise with her that he will help her become just like or better than Ryūgū Komachi if she promises to return to 765 Pro with the same enthusiasm she had. Back at 765 Studios, Miki apologizes to everyone for her absence but Chihaya has no time to hear it as she wants Miki make up for lost time. Glad to have her back, the idols watch as Miki tries on her new costume.