Would you like to know more about Kisumi Inori or Hololive English?
"Kisumi Inori hardcore SD" seems to refer to a specific style or aesthetic associated with Kisumi Inori, possibly related to her 2D avatar or "super deformed" (SD) design.
Kisumi Inori is a Japanese virtual YouTuber and a member of Hololive English, a group of virtual YouTubers created by Cover Corp. She is known for her cute and energetic personality, as well as her entertaining content.