A group picture of Heart Signal' members who were interested in "previous class visuals" was released. Life Style Magazine 'Singles' is the most beautiful, and at Signal House, which is designed to make us fall in love with us, we have released cover and visual pictures of Hankyoreh, maintenance source, lee ju-mi and Kim Ji Young in Heart Signal' . Heart Signal' The main characters are the back door that raised the feelings of love for each other in a formal and youthful space. Cho Hee-sun, CEO of Cho Hee-sun Studio, who styled "Heart Signal"'s Signal House, said, "We actively utilized home appliances that respect various tastes and Life styles to decorate 'Signal House', where several men and women live together, as a space where cast members with distinct personalities can share their feelings with each other without losing their appearance." Signal House is a space that can better show recent residential trends such as narrow House and cohousing. Cho said, "As it is a space where people with distinct personality live together, I focused on satisfying everyone's taste and making it a place where individual characteristics are respected." Especially, for healthy love, it is most important to share the mind with the other person without losing the original shape, so it was essential to make a space where everyone can come out. To this end, Signal House has been designed with appliances that can be tailored to a variety of tastes and Lifestyle styles. On the other hand, Channel A entertainment Heart Signal', which showed its first line on May 17th, attracts the attention of many viewers with its release.