Aiyuu

Aiyuu is the Slash ship between Aizo Shibasaki and Yujiro Someya from the Honeyworks fandom.

Canon
Aizo and Yujiro are members of the idol unit LIPxLIP. They both attend Sakuragaoka High School with Hiyori Suzumi.

Fanon
Aiyuu is the most popular ship for Aizo and Yujiro even though they only have about 300 works on AO3. They are rivaled by Yuuhiyo and occasionally Aimona. They are the most popular pairing in the idol series. Many fans were drawn to their relationship from the songs Yume Fanfare and Non-fantasy where it is hinted that they kissed. They are often shipped alongside Hiyomona and Ascana.

Fandom
FAN FICTION

Aizo/Yujiro tag on AO3

TUMBLR

Aiyuu posts on Tumblr

PIXIV

愛勇 posts on Pixiv

Trivia

 * Aiyuu parallels Shibarisa as seen in Samishigariya
 * Aizo is a cat person while Yujiro is a dog person.
 * Yujiro and Aizo's birthdays are on the same date (February 22).
 * Ai♡yuu was originally going to be their unit name.
 * Aizo is hinted to have romantic feelings for Yujiro as seen in Samishigariya and the novels.