Plot: Code: Realize - Guardian of Rebirth is an otome visual novel video game developed by Otomate for PlayStation Vita, released in 2014 in Japan and in 2015 in North America and Europe. Wikipedia
Plot: Collar x Malice is a visual novel video game developed and published by Idea Factory under their Otomate brand. It was released for PlayStation Vita on August 18, 2016 in Japan, and by Aksys Games in North America and Europe on July 28, 2017. A Nintendo Switch port has also been released in 2020. Wikipedia...
Plot: London Detective Mysteria is a 2013 otome visual novel video game for the PlayStation Portable created by Karin Entertainment and published by Marvelous in Japan. In 2016, Karin Entertainment self-published a PlayStation Vita port known as English Detective Mysteria: The Crown. Wikipedia
Plot: Psychedelica of the Black Butterfly and Psychedelica of the Ashen Hawk are two otome visual novel video games developed by Otomate. They were published for PlayStation Vita by Idea Factory in Japan in 2015 and 2016, and by Aksys Games in North America and Europe in 2018. Wikipedia