earlier. Their 15th anniversary live, Mucc vs vs Mucc, took place at Makuhari Messe's International Exhibition Halls 1–3 on June 9. The estimated four-hour show was separated into three parts; 1997–2002 -Misshitsu-, 2002–2007 -Shisei-, and 2007–2012 -Kodō-. An album titled Aishū no Antique, composed of remastered songs from their early demo tapes and the EPs Antique and Aishū, was sold at the show, but later received a nationwide release on August 22. Also in August 2012, the video game was released on the App Store. The band members took part it its creation, with Tatsuro drawing the characters. A 15th anniversary tour of live houses took place throughout September. The single "Mother" was released on October 31, and was an ending theme of Naruto Shippuden, while its B-side "Negative Dancer" features the audience of their September 13 concert singing the chorus. Mucc's eleventh studio album, Shangri-La, was released on November 28. Its song "Kyōran Kyoshō -21st Century Baby-" was remixed and used as the theme of the live-action film adaptation of Fuan no Tane. The Shangri-La tour took place between December 2012 and March 2013, with a special concert on June 7 that marked the end of Mucc's 15th anniversary celebrations. Mucc also performed at Makuhari Messe for Ozzfest on May 12. In 2013, Mucc began looking for two new members who would participate in recording, photo shoots and interviews. Applicants had to send in five stickers included with CDs, DVDs and other goods, released in commemoration of the band's 15th anniversary along with an application; it was noted that they did not need to know how to play an instrument. After interviews and reviewing resumes on a live broadcast on Niconico on July 26, the winners were selected by Mucc's four primary members themselves and given stage names. Hancho, a Hungarian female study abroad student from the band's native Ibaraki, and Dean, a male office worker from Chiba Prefecture officially joined the band on August 17. However, on September 4, roughly two weeks later, it was announced that both had left the group. Dean left after his parents found out he had joined a rock band by seeing him on TV, and Hancho stated she had achieved her dream of joining Mucc and could now leave to become a fan once more. Mucc performed at Shibuya-AX for Angelo's Intersection of Dogma event on August 16, and at World Memorial