2012: February: Opened "Cabbage Yaki Koshien" in Nishinomiya, Hyogo Prefecture. April: Opened "Charcoal Grilled Steak and Wine Romantei" (Chuo-ku, Osaka City).
March 2014: Opened "Charcoal Grilled Steak, Hamburger and Healthy Vegetables Mori no Romantei" (Hirakata City, Osaka Prefecture)
2016... January "Aged charcoal grilled steak, wine and healthy vegetables - Mori no Romantei - Terrace"

(Akashi City, Hyogo Prefecture) March: Opened "Steak House Romantei ~Once~ Shin-Osaka store" (Yodogawa Ward, Osaka City) April: Opened "Steak House Romantei ~Villa~ Namba CITY store" (Chuo Ward, Osaka City) July: Opened "Abeno Katsu Sandwich Parlor Romantei" (Abeno Ward, Osaka City)
October: "Romantei Beefsteak and Meat Rice / Osaka Romanya Meat Wholesaler and Butcher Retailer"

(Kita-ku, Osaka/Eki Marche Osaka) opened
2018: April: Opened "Beefsteak and Meat Rice Romantei Lucua Osaka" (Kita-ku, Osaka) August: Opened "Osaka Pork Soup and Ginger Pork Romantei" (Kita-ku, Osaka/Eki Marche Osaka)
2019: February: Opened "Beefsteak & Deli Romantei Abeno Q's Mall Store" (Abeno-ku, Osaka) November: Opened "Kyoto Konamon Roman Yaki Romantei MUJI Yamashina Store" (Yamashina-ku, Kyoto)
2020: February: Opened "MEAT & 3Choice HandS Umeda EST Store" (Kita-ku, Osaka City) July: Opened "Muji Niku Bukkake Udon Romantei Yamashina Store" (Yamashina-ku, Kyoto City)
September: Opened "& Deli Romantei Yao Branch" (Yao City, Osaka Prefecture)
October: Opened "& Deli Romantei Noda Branch" (Fukushima-ku, Osaka City)
October: Opened "Katsu Sandwich Parlor Romantei Tenmabashi Branch" (Chuo-ku, Osaka)
November: Opened "Tonkatsu Sakuratei Tenmabashi Branch" (Chuo-ku, Osaka)
2021: January: Opened "Steak & Grill Romantei" (Kita-ku, Osaka) March: Opened "Beefsteak rice and meat rice Romantei Ekimarche Shin-Osaka Sotoe store" (Yodogawa-ku, Osaka)
June: Opened "Abeno Katsu Sandwich Parlor Romantei" (Abeno-ku, Osaka)
October: Opened "Tonkatsu Sakuratei Ekimarche Osaka" (Kita-ku, Osaka)
November: Opened "Romantei Seven Park Tenmi Branch" (Matsubara City, Osaka Prefecture)
2022: May: Opened "Hamburger Tsumugu-tei Tenmabashi Branch" (Chuo-ku, Osaka City) July: Opened "Osaka Kashiwa-meshi Roman-tei Ekimarche Osaka Branch" (Kita-ku, Osaka City)
2023: December: Opening of Nikuju Romantei Hankyu Sanban-gai Branch (Kita-ku, Osaka)