Risou no Kanojo

Synopsis

After transferring to an elite academy attended by heirs and their families, Seiji finds himself isolated as an ordinary student with no special talents. His quiet routine changes when a girl asks him to pose as her older sister Sara's boyfriend, hoping to prevent their mother from arranging Sara's engagement. Though the relationship is meant to be temporary and false, Sara seems genuinely pleased by Seiji's company, leaving him uncertain about her intentions.