Ayakashi wa Shousetsuka ni Koi wo Suru  

妖は小説家に恋をする

Aika is a novelist who can perceive ayakashi from childhood. Due to their presence, Aika had difficulty relating to humans. His only constant companion was his deceased dog, Shiro. One day, Aika encounters Rintarou, an enigmatic being who enjoys human interaction and leads a social life. Despite his initial reservations, Aika is gradually drawn to Rintarou due to his warm demeanor. However, one day Rintarou reveals his true feelings for Aika, declaring his love for him!