Adrigaminette

Adrigaminette is the polyship ship between Adrien Agreste, Marinette Dupain-Cheng and Kagami Tsurugi from the Miraculous Ladybug fandom.

Canon
Because of Adrien kind words and gestors towards both Marinette and Kagami they began to develop romantic feelings for him, while he simply sees them as friends. Even though there have been time where Adrien has shown to deeply care about both girls.

Season 2
Riposte
 * The three met each other at the academy's fencing tryouts.
 * Marinette watches Adrien trying to talk with Kagami from the academy's steps, before Kagami got into her car.
 * Marinette watches Adrien and Kagami talk to each other, again, while standing behind a billboard-like stand.
 * Kagami is seen "standing" between both Marinette and Adrien, who both might have been looking back at Kagami, in the end card.

Season 3
Animaestro
 * Marinette is seen looking at Adrien and Kagami, in the end card.

Oni-Chan
 * Adrien is seen "standing" between both Ladybug and Kagami, in the end card.

Fanon
The ship could simply be due to Adrien being close with both dark haired girls, of east Asian descent, who have their own romantic feelings for him, while his feelings for Ladybug has him viewing the two as friends. Some have Adrigaminette rival with Lukadrinette (Luka, Adrien x Marinette).

Fandom
FAN FICTION

TUMBLR

Trivia

 * According to Feri González, Kagami isn't limited to the role of alternate love interest, the same with Luka Couffaine.

Variations

 * Adrienette refers to the ship between Adrien and Marinette
 * Adrigami refers to the ship between Adrien and Kagami
 * Kagaminette refers to the ship between Kagami and Marinette