Maybe she read his body language wrong? The humans from school never really talked to her. She only ever had Mitsunari...and now she had Amaya, too, but social cues were still really difficult. "D-Don't bow, it's alright...I thought maybe something was wrong..." She blushed, looking away shyly.
Matsunaga watched Jin as she trained, arms crossed as he continuously stopped to correct something he saw was wrong. Nothing was ever good enough for him.