Takahiro Nishijima, better known by his solo stage name Nissy, announced his departure from AAA (Attack All Around) on February 11th, marking the end of an 18-year journey with the group.

AAA debuted in 2005 as an eight-member mixed-gender idol group under Avex, quickly becoming one of Japan's most successful acts. The group combined singing and dancing with both male and female members, creating a unique dynamic in the J-Pop landscape. Nishijima served as one of the main vocalists alongside his group activities.

While pursuing his career with AAA, Nishijima launched his solo project "Nissy" in 2013, releasing R&B-influenced music that showed a different side of his artistry. His solo work gained significant traction, with hits like "Hana" and collaborations that expanded his musical range beyond AAA's pop sound.

The announcement comes during a period of transition for many long-running idol groups, as members explore individual paths while balancing group commitments. AAA has faced several member changes over the years, with the group adapting to different formations while maintaining their fanbase.

Nishijima's departure leaves questions about AAA's future direction, though the remaining members have continued activities in various capacities. For Nissy, this move likely signals a full commitment to his solo career, which has already established him as a distinct voice in Japanese R&B and pop music.

Fans can expect both AAA and Nissy to continue their respective musical journeys, with this change opening new possibilities for creative expression.