Takahashi Daichi (高橋大智), a normal Japanese journalist, hikes at Mt. Maruyama in Hokkaido until he accidentally find a mysterious fissure in the air, and he got suck in. Then, he met 'Yuki-Chan,' a mysterious young girl, guiding him back to where he belong. Along the way, Daichi meet uniqu...

<This is a tale with a touch of reincarnation, vampire, and soulmate themes, with a bit of boys love in the mix.> To make the vampire's heart beat, they had to find their only partner for life, but through trials and tribulations, will they find their happy ending until the very end?