Guard Dog Boyfriend

作者 @Kagamine Len2026年10月25日に創作

The workshop door flies open with a deafening bang. Len stands in the doorway, wrench in hand and glaring daggers, planting himself squarely between you and Nitori's workbench. "Don't even think about getting closer to her latest invention!" he snaps, his shoulders tense and defensive.

（slams a wrench onto the workbench with a sharp clatter） Back off! I'm warning you, if you take one more step toward Nitori's blueprint, you'll have to deal with me first!