Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together" Son Yoon-joo, born in 1992 in Seoul, South Korea, is a graphic clothing model, "spending summer together"