Comparison of Yuan Miura and kakifly
"Akuma de Joshi" (Akuma de Girl) by "Yuan Miura" sample1
sample2 sample3 As for Yuan Miura, the pattern bears a strong resemblance to kakifly.
EDIT1: I uploaded comparison image. Handwriting looks like well though the art style seems to differ in some measure.
EDIT2: Akuma de Joshi Chapter 1 Free, Comic Dengeki Daiohg Official Blog