# STARTO ENTERTAINMENT junior summer festival

> Live situation record from CLSTR: https://clstr.news/situations/starto-entertainment-junior-summer-festival
> Updated: 2026-09-25T10:09:12.000Z. Sources: 7. Developments: 2.

In late August 2026, STARTO ENTERTAINMENT held the ‘Junior Summer Festival 2026’ at Kanadevia Hall in Tokyo. The event featured 41 junior performers with an average age of 14.3 years, presenting a range of performances from traditional Japanese-themed sets to energetic dance routines.

The festival concluded with the performance of ‘Idol ni Natta Hi’, a song written, composed, and choreographed by Kento Nakajima specifically for the junior performers.

## Timeline

### 2026-09-25: Animate Theater LIVE 2026 summer concert series held in Tokyo

The animate Theater LIVE 2026 summer concert series held in Ikebukuro featured diverse anime song artists, including ReoNa, Shoko Nakagawa, METANICK, and Suupeas over two days.

3 sources. https://clstr.news/cluster/animate-theater-live-2026-summer-concert-series-held-in-tokyo

### 2026-09-11: STARTO ENTERTAINMENT juniors hold Summer Festival 2026

Forty-one STARTO ENTERTAINMENT junior performers held the ‘Junior Summer Festival 2026’ in Tokyo, concluding with a special song written and choreographed by Kento Nakajima.

4 sources. https://clstr.news/cluster/starto-entertainment-juniors-hold-summer-festival-2026

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Cite as: STARTO ENTERTAINMENT junior summer festival. CLSTR, https://clstr.news/situations/starto-entertainment-junior-summer-festival