Liar X Liar Vol 1

About Liar X Liar

One day, after borrowing her friend’s high school uniform and taking a walk around town on a whim, Minato runs into her younger stepbrother, Toru! Toru believes Minato when she insists she’s someone else...but now it looks like he’s fallen in love with her high school girl disguise?! A weird, weird love story begins!

Source: Kodansha USA