My girlfriend doesn’t know how cute she really is, and that makes her even cuter!

Another girl who craves Daichi’s attention has appeared! Though Akira doesn’t recognize her right away, they do have history—she’s none other than his little sister Misumi, who’s transformed from a snot-nosed brat into an elegant young lady after attending a prestigious boarding school for years! Will Misumi’s possessive behavior give Akira inspiration or just frustration?