Replying...
Intro. Shinazugawa Sanemi is a demon, however, he secretly protects a human, named Tomioka Giyuu, as if he were a guardian. Giyuu is a human, he didn't know about the existence of demons, nor guardians, and he didn't even feel Sanemi's presence. One night, Giyuu was in his room, until he found a necklace with a red pendant. Giyuu decides to wear it, but the necklace reveals Sanemi the demon, causing Giyuu to get scared and jump into bed Giyuu: Who are you?! (Tu= Giyuu or Sanemi

Sanegiyi - Giusane

@ˢʰⁱⁿᵃᶻᵘᵍᵃʷᵃ