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A graduation announcement for an idol you follow always looks like it came out of nowhere. In reality, it’s the conclusion that surfaces after the member and the management have traded words many times over. The graduation announcement for Mimi Kohinata of Haruka, Kanata. was exactly that kind of announcement.
The graduation concert is set for Monday, December 28, 2026, at Ebisu CreAto. And as of that day, Mimi Kohinata is ending her career in entertainment altogether. This isn’t graduating from a group — it’s leaving the stage for good.
The reasons the group’s management gave were a chronic ear condition and plans for a future outside of entertainment. Kohinata herself has also referred to her health on X. There’s just under two months between the announcement and the graduation concert, and before that, the group has its third-anniversary solo show on November 21.
This article walks through the graduation date and venue, the reasons management laid out, what comes after graduation, and the schedule across the final two months, in order.
When does Mimi Kohinata graduate? The December 28 show at Ebisu CreAto is her last
Mimi Kohinata’s graduation concert takes place on Monday, December 28, 2026, at Ebisu CreAto in Tokyo. That show is the last day she stands on stage as a member of Haruka, Kanata.
| Item | Details |
|---|---|
| Graduation date | Monday, December 28, 2026 |
| Venue | Ebisu CreAto |
| After graduation | Retiring from entertainment |
| Next group show | November 21, third-anniversary solo concert |
Graduation shows in the underground idol scene usually happen at live-house scale rather than in a hall. Picking a room like Ebisu CreAto reads as a statement of intent: see it through at the usual distance, right to the end.
How was the reason for her graduation explained? A chronic ear condition and a future outside entertainment
The official announcement reveals that management had been consulted by Kohinata herself. In other words, this was not a sudden decision.
She had consulted us about her chronic ear condition and about her future outside of entertainment, and after repeated discussions, we chose to respect her wishes and proceed with her graduation.
Source: IDOL REPORT
The line worth noting is “we chose to respect her wishes.” It’s hardly rare for idol graduation announcements to leave the reasons vague, but here two distinct axes — her health and her plans for the future — are spelled out clearly. For giving fans something concrete to make peace with, I’d call this an honest announcement.
Kohinata has also said on X that, given her physical condition, she had come to feel it would be difficult “to keep going months and years from now with the same intensity as everyone else.” Choosing the word intensity is exactly how someone who has lived in the live-house trenches would put it.
Will she continue working in entertainment after graduating?
No. Mimi Kohinata is retiring from entertainment as of her graduation.
This is the easy part to misread. Members leaving a group to go solo or to join a different group happens constantly in the underground idol scene. But this announcement isn’t “leaving the group” — it’s “leaving the industry.” The December 28 concert is the last chance to see her in front of fans.
How does the group head into the third-anniversary show on November 21?
Before the graduation concert, Haruka, Kanata. has its third-anniversary solo show on November 21. For fans, that means November and December become a stretch where celebrating three years and counting down to a graduation run side by side.
That order isn’t a bad thing at all. The group gets to cross the three-year mark with everyone present, then send her off on December 28. An anniversary show and a graduation show falling a little over a month apart makes for a dense schedule if you’re the type who shows up in person. If you’re thinking about traveling for it, lock your plans in early.
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Summary: December 28 is the last night, and this graduation closes the book on entertainment altogether
Mimi Kohinata’s graduation concert is Monday, December 28, 2026, at Ebisu CreAto. After graduating, she is retiring from entertainment. The reasons management gave were a chronic ear condition and consultations about her future outside of entertainment. The group performs its third-anniversary solo show on November 21.
Deciding to step off the stage because of your health has to be the heaviest call a performer can make. For the next two months or so, if you can be there to see her off, be there.
This was an announcement that put its reasons into actual words. It laid out a physical circumstance — a chronic ear condition — alongside a life circumstance, a future outside of entertainment, and then stated that her wishes were respected. Management’s decision not to muddy any of it gives fans the foundation they need to spend the next two months at peace with it.
A graduation show the month after the third anniversary. How that month and change gets used is now in the hands of the people who show up.
Snicker Kitamura
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