Вдова Юки-онна, не умеющая общаться, и проклятое кольцо

It's the modern world, where humans, yokai, and various other races coexist... One day, Satoru—who works as the apartment manager—ends up angering his secret crush, Mifuyu, a snow woman who lives in the same building. Eager to make amends, he uses a mysterious ring that is said to help in communicating with yokai. However, he finds himself hotly pursued by Mifuyu, who has suddenly become extremely forward. A socially aloof widowed snow woman and a young adult male who wants to support her. What awaits them at the end of their repeated physical encounters, fueled by the ring’s power…? (Source: Official Website)