The Former Magical Girl Wants to Know L❤ve.Moto Mahou Shoujo no Onee-san wa Koi o Shiritai; 元魔法少女のお姉さんは恋を知りたい

Be spoiled rotten as a little brother by Heart-throb-deficient older sisters!? Touri, a college student searching for his older sister whom he was separated from 10 years ago, discovers that his admired senior, Sara, is a former magical girl, and that his sister was once a magical girl as well. He continues his search for his sister with Saras help, but it seems the magical girls who have become older sisters can only draw magical power from heart-throbbing romantic excitement...? The harem romance comedy featuring a former magical girl older sister and her little brother begins!!