The naturally unlucky Izumi-kun faces yet another day of disaster after disaster. Even on his way to meet up with his girlfriend Shikimori-san in the morning, he runs into so many troubles that he's a mess by the time he sees her. Still, the cute, sweet Shikimori-san greets him with a kind smile. But when Izumi-kun is in trouble, the lovely Shikimori-san instantly transforms into the coolest, most heroic girlfriend you've ever seen! Fun days are in store for this couple of 1000% preciousness and their chill friends as they begin their second year in high school!

After receiving movie tickets from Inuzuka, Izumi-kun invites Shikimori-san to go see a movie together. He makes careful preparations to ensure that no accidents happen that would cause trouble for Shikimori-san... but as always, he faces accident after accident anyway. Still, he manages to arrive on time to meet Shikimori-san in an incredibly cute outfit! What if she wants to see a romance film and one thing leads to another? Izumi-kun's imagination runs wild, but he's surprised by the movie Shikimori-san chooses...

Summer break is here at last! Izumi-kun and his friends arrive at the river, where they get started with a barbecue. As they divide up the prep work, everyone suddenly feels very anxious... because Izumi-kun has picked up a kitchen knife! Even Shikimori-san's eyes grow wide... but she's once again charmed by Izumi-kun and his ability to do just about anything. After the barbecue, they all decide to play in the river, but Izumi-kun gets into some trouble...