This is a guide on the Retrieve Needle Crystaloid Gamma directive in Soul Hackers 2. You can start it after completing Subway Line 14 during the main story.
Location: Milady Sector 3F
Ideal Lv: 31
Reward: Fusion of Gurulu unlocked
Retrieve 8 Needle Crystaloid Gamma
Head to Milady Sector 3F then explore the area, speaking to your scouting demons. Eventually, they will hand over the Needle Crystaloid Gamma. Once you receive 8, the directive will complete.