Naoya just got a girlfriend, the gorgeous Saki-chan, and though their intensities often pit them against each other like ice and fire, they’re totally, uncontrollably in love with each other. He vows never to cheat...when out of the blue he receives another confession! Nagisa’s cute, sweet, and she’s made him lunch to boot! He knows he can’t cheat, but he can’t let a cutie like this get away...so he does the logical(?) thing: Asks Saki for permission to date them both! The confidence! The arrogance! The very gall! No matter the outcome, Naoya’s future will be lively!
The hot springs trip is over and Nagisa has grown ever closer to Naoya. Afraid of losing her place, Saki puts on a bunny girl costume to seduce Naoya! Not letting herself be bested, Nagisa retaliates with her own maid costume! Every day is just filled with chaos and fun as time flashes by and now we’re finally heading straight into the eventful and heated summer break! Or, that was the plan… To stop their polygamous relationship, Shion joins the three of them and is now living at Naoya’s, too! What’s going to happen to their exciting summer plans?!