Do the following tasks to get the desired effect!
Be Diez in Multiplayer: complete Diez's Woman Warrior Level with a S rank or better
Be Shami in Multiplayer: complete Princess Shami Level with a S rank or better
Fashion Ring: complete the game and the IAG store will offer the Fashion Ring
Get B Ability: complete A Town In Panic mission with all S-rank
Get G Ability: complete Operation Network mission with all S-rank
Get HP Booster 2: complete Deadly Energy mission with all S-rank
Get NP Ability: complete Remnants Of Times Past mission with all S-rank