Quick answer: The September 24 notice schedules Ken & Wormmon, Machinedramon and Shining Code summons through October 7, 2026 at 12:59 JST. Check in-app notices for any schedule changes.

Officially scheduled summons

SummonPublished end time
Ken Ichijoji & WormmonOctober 7, 2026 · 12:59 JST
SP Support: MachinedramonOctober 7, 2026 · 12:59 JST
Overdrive: Shining CodeOctober 7, 2026 · 12:59 JST

That is October 7 at 11:59 in China Standard Time, or 03:59 UTC. This is the published schedule, not a live availability indicator.

BEATBREAK collaboration: published period ended

The official notice set the collaboration summon for September 9–30, 2026, ending at 14:59 JST. Its listed period has ended as of this review. Featured Buddies included Tomoro & Gekkomon, Reina & Pristimon, Makoto & Chiropmon, and Kyo & Murasamemon. Do not treat older collaboration advertising as proof of current availability.

September balance changes worth checking

EntryChange announced September 3
Hi-CommandramonSkill Critical Rate: 2.000% → 2.500%
Sistermon NoirSupport Damage UP: 1.900% → 2.600%
Youkomon / KyukimonCooldown wording changes from total cooldown to remaining cooldown
We Have to Stop Fighting!Cooldown: 18.0 → 23.0 seconds

These are values in the official notice, not a universal comparison across all support levels. Read your current card or support screen before rebuilding a loadout.

Sources & review notes

Reviewed October 5, 2026. Public-source research; no claim of fresh in-game testing. Follow current game menus if a later update changes a requirement.