The 121314 project, with Azusa Sasaki at its creative helm, left a lasting impact on both the group's career and their fan base. The project demonstrated 10musume's capability to explore different musical and performance styles, earning them critical acclaim and a broader audience. Sasaki's work during this period underscored her importance as a creative force in the group's success, highlighting her skills as a producer, director, and stylist.

: The video usually begins with a casual interview where the actress introduces herself and shares personal details to build a rapport.