Destiny Unchain Online: Kyuuketsuki Shoujo to Natte, Yagate 'Aka no Maou' to Yobareru You ni Narimashita - Vol. 3 Ch. 16 - KILL THEM ALL

[MangaDex]

 

[RougeGrail]

Kill stealing is not fun

 

[Lelouchezero]

Kill stealing is not fun

Nope but since she was in "stunned" mode from after using the ability it's not really a kill steal. Since she had no steam left. It was a well planned attack XD