April Fools' Day (2023)

For April Fools' Day in 2023, both the Kamiyama High School and the Miyamasuzaka Girls Academy were replaced with a single academy, the All Music MIKUdemy, and its principal was Mikudayo! The characters were also all been shuffled into 4 different classes. Alongside this change, new area conversation were introduced and the virtual singers were let into Shibuya? once more. Unlike last year, where characters covered songs, all characters sang in the song Be The MUSIC! by kinoshita.

Shibuya?[edit | edit source]

Shibuya? was updated with two locations, the MIKUdemy Classroom, and the MIKUdemy Sports Field. Nenerobo and Mikudayo can also be seen flying in the map.

Shibuya?
The empty SEKAIs
Virtual singers seen in Shibuya?
Characters in the sports field
Mikudayo in the classroom

All Music MIKUdemy[edit | edit source]

All Music MIKUdemy is a school that suddenly appeared in Shibuya. It replaces the existing schools in the game during April Fools' Day 2023.

Mikudayo as principal of All Music MIKUdemy

Pure Heart Class[edit | edit source]

The peaceful and heartwarming Pure Heart Class ♪

This is a class with a pleasantly calm and fluffy atmosphere. When talking about this class, students from other classes would get concerned while asking "Where's the punchline?!"

The Pure Heart class consists of Ichika, Shizuku, Toya, Emu, Kanade, and Miku (25-ji, Nightcord de.).

Kanade in a school uniform
25-ji, Nightcord de. Miku in a school uniform

Solid Heart Class[edit | edit source]

Realistic and stoic! That's the Solid Heart Class!

This is a class of students who are calm and objective. For some reason, they seem to worry and care for the students of Pure Heart Class...

The Solid Heart class consists of Shiho, Airi, Akito, Nene, Ena, and KAITO (Wonderlands×Showtime).

Wonderlands×Showtime KAITO in a uniform

Passion Heart Class[edit | edit source]

When an idea comes up, let's act immediately! We're the Passion Heart Class!

This is a class full of action-oriented students. When passing by this class, please watch out for the energetic students and flying drones.

The Passion Heart Class consists of Saki, Minori, An, Rui, Mizuki, Rin (MORE MORE JUMP!), and Len (Vivid BAD SQUAD).

MORE MORE JUMP! Rin in a school uniform
Vivid BAD SQUAD Len in a school uniform

Cautious Heart Class[edit | edit source]

The thoughtful and firm Cautious Heart Class!

This is a class of students who possess excellent leadership skills. Their warm consideration and sympathy for the other students are very remarkable.

The Cautious Heart Class consists of Honami, Haruka, Kohane, Tsukasa, Mafuyu, Luka (Leo/need), and MEIKO (Vivid BAD SQUAD).

Leo/need Luka in a school uniform
Vivid BAD SQUAD MEIKO in a school uniform

Song[edit | edit source]

Be The MUSIC! by kinoshita was released on April 1st and featured the entire cast of SEKAI. The full version with a 2D MV was posted on Project SEKAI's channel after being released in game.

Nenerobo store page[edit | edit source]

A page to purchase a life-size replica of Nenerobo, complete with its AI, appeared on Colorful Palette's web store. This page has since been taken down and replaced with a different page to purchase mini-size figure of Nenerobo.

An archived version of the original store page can be found on Archive.org.