MitsuKuno

MitsuIku is the hey shipping if Mitsuru and Ikuno from Darling in the FRANXX.

Fanon
Mitsuru and Ikuno have known each other since they were small children living in the Garden but they had very little interactions with each other. When they are 14, they are assigned to the same FRANXX squad and, after passing their capacity test, they are paired up. However, they quickly developed a strong dislike towards each other.

To be continued.

Fandom
This shipping is not very popular due to Mitsuru and Ikuno’s mutual dislike for each other, and the fact that both have other love interests.

Trivia

 * Mitsuru’s English voice actor, Bryson Baugus, is a MitsuKoko supporter whereas Ikuno’s English voice actor likes both MitsuKoko and IchiIku.
 * According to Ichigo, Ikuno May be the only person who understands Mitsuru the most, due to both having personal problems they feel they can’t talk to anyone about.