Your Idol April Fools Day 2026 Round Up

Banner image: Sengoku. 

Idol April Fools Day is the third biggest holiday on the idol calendar (next to Idol Halloween and Idol X-Mas). While its still April 1st in the west, the day has already come and gone in Japan. So, while you hide from cringey co-workers, annoying family members, and all of their corny pranks, enjoy this collection of the more creative April Fools Day stunts pulled off by idols this year.

 Isiliel wished us an entirely unseasonal Merry Christmas. 

Broken By The Scream are now a boy band.

Shion (ex. GUSO Drop) launched a new business that creates cheki film from Otaku Revival Biopolymer (derived from penlight recycling). “Turning fans’ feelings into the next shot.” 

PLANCK STARS got taken over by AI and cranked out a whole album in a day.

 

NEO JAPONISM traded Miruka, Ai, and Chiyori to AOAO in exchange for Misaki, Kanata, and Sakura.

Just as on this day last year, Mazari magically turned into their cutesy alter egos Loveli. 

After years of deception, Heidi Haibara (ex. Merkmal Mermal) came clean about her true identity: she is, in fact, a time traveling Marie Antoinette.

YA’ABURNEE got possessed by visual kei.

Oiran Dochu channeled K-On! as they transformed into a girls rock band.

Rin Kojima (XOXO XTREME) is leaving idol and entering the Chinese market as an actress named Wěn Bào Jí Xiàn. 

The members of Jiemei ditched idol and opened a restaurant.

https://twitter.com/jiemei_idol/status/2038994998788772018

Kaishin no Ichigeki landed a commercial for their favorite yakisoba.

KAMEN JOSHI have gone gyaru.

hakanai made their own theme song for Sergeant Keroro.

TENRIN turned into a prim and proper unit.

Ill split into two units: Ill sunshine and Ill moonlight.

Rehearsal time turns into adventures through time for Shihatsu-machi Underground.

DIAVEL rebooted as SUGAR BELL.

Sengoku Animal Gokuraku Joudo released an aspirational new visual.

https://twitter.com/senkyoku_info/status/2038998973193805926

The new MAD’S iNK unit Zetsubou Kinema (translation: “Despair Cinema”) rebooted as Kibou Kinema (“Hope Cinema”) complete with a debut single.

https://twitter.com/kinema_info/status/2038994879695687943

Paradeeq rebooted as gal unit Paraparadeeq.

DREAMING MONSTER unveiled two new members. Average age: 50.

LADYBABY made a cringey fat joke and are getting dragged for it.

https://twitter.com/LADYBABY_JP/status/2038995137146331492

We’ll close with the newly rebooted JUGS MAFIA and… well… it’s hard to tell whether or not this one’s a joke.

Happy April Fools Day!!