[ His threat is all the reassurance she needs. She's seen him in action, Ajax is undoubtedly strong even without his powers. She has no doubt he'll stay true to his promise and crush whoever threatened her like the crumpled-up note in his hand. The whole ordeal is scary but she feels a bit better knowing Ajax will be stuck to her like glue.

Although the letter resulted from her dealings with Ajax, she's still thankful for their chance encounter. There's no way she'd be able to deal with the stress and trauma all on her own. ]

Okay, I promise I'll stay by your side every second of every day now. Thank you Ajax... I'm still scared but feel much better knowing you're on the case.

[ Besides, she has a feeling Ajax has better deduction skills than half the people at her job. Wouldn't surprise her if they were running around like chickens with their heads cut off scrambling to find the perpetrator while Ajax is miles ahead of them. ]

I really hate to say this but judging from the contents of this letter, sounds like the person who sent it has been watching us for a good while.

[ Just like that, the lump that's been lodged inside Yoimiya's throat drops to her stomach in a sickening, twisting feeling. ]