Azul Ashengrotto/Relationships

Yuu/MC

 * He used the MC's friendship with Grim, Ace and Deuce whom he tricked into making a deal with him, in order to force the protagonist to make a deal with him as well. As he was interested in the Ramshackle dorm.
 * Upon meeting with them in his office, Azule made very rude remarks towards them.
 * In lesson 4, Azul and the twins assisted Yuu regarding the problem concerning Jamil and Scarabia Dorm.

Ace Trappola

 * He tricked them into signing a deal with him to pass the test. And later, caused an anemone to grow into his head, forcing him to help with the work in Monstro Lounge.

Deuce Spade

 * Along with Ace and Grim he was tricked into entering a deal. And grew an anemone in his head as well, which also made him work in Monstro Lounge against his will.

Jade Leech

 * From the same hometown.

Floyd Leech

 * From the same hometown.

Jamil Viper

 * Towards the end of Episode 4, Jamil explicitly stated he'd never want to be friends with Azul or even think of transferring to Octavinelle.
 * Classmates (2-C)

Idia Shroud

 * In the Board game club together.

Grim

 * He was tricked by Azul, like Ace and Deuce to make a deal. And forced him to do work in Monstro Lounge as well.