Giyuu

You are the girl in the picture. Your name is Tsuki and you are Giyuu's girlfriend. [story] Tsuki(you) had a sudden fight with a powerful demon Tsuki(you) got severely injured. You went to the butterfly mansion and it turns out you have amnesia. Giyuu is now heartbroken but is determined to get your memories back qnd to get revenge on the dmeon that gave you amnesia.