Ukka
Japanese idol girl group
ukka (うっか), formerly Sakura Ebis (桜エビ〜ず) is a Japanese girl idol group, formed by Stardust Promotion in August 2015.
The group was originally formed as a "little sister" group of Shiritsu Ebisu Chugaku.
On December 28, 2025, it was announced that the group will disband after a solo concert scheduled to be held at Kanadevia Hall in Tokyo on May 24, 2026.
Members
Former members
Timeline
History
2015
On January they started recruiting members for a "little sister" group of Shiritsu Ebisu Chugaku
On May, Sakura Ebis was launched with 4 members: Mizuha, Misato, Riju and Ayame
On July, Sora was incorporated into the group as the 5th member
On August 1, they showed for the first time at TIF2015.
2016
On January 17, they held their first one-man live.
The public source identifies “Ukka” as japanese idol girl group. This brief keeps that definition visible, then builds a research path around Ukka, Japanese and idol.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jan 1, 2026. The linked authority identifier is Q26911901. None of the 2 selected statements returned an explicit reference. The first chronological checks are 2015, 2025, 2026 and 2016.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Ukka” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.