On his 16th birthday, Tomokazu Mikuri had a realistic dream where he sees a girl battling a giant floating monstrosity. When he wakes up, he is surprised that the girl is actually sleeping next to him... Whenever he sleeps from now on, he ends up back at the dream world, and more and more people that he knows keep showing up there too. He finds out from a mysterious masked woman in the dream world named Silk that they are fighting against one named Faydoom, and he is the one who provides the powers to those girls so that they can fight these monsters. And so it goes... (Source: ANN)

Upon her return to Japan after a two year study break in Paris, Ichigo Amano is met with news of Team Ichigo's separation, as each of the Sweets Princes takes a different path toward their dream. Now in her first year of high school, Henri Lucas has a project in store for her, enlisting the help of Ichigo, Makoto Kashino, and new members Lemon Yamagishi and Johnny McBeal to give rise to a new Team Ichigo. As the four work together on this project, Ichigo and Makoto continue to grow closer, though Johnny and the unrelenting Miya Koshiro will not idly sit by; with Johnny's eye on Ichigo and Miya still after Makoto, it definitely seems like love won't come easily. With Ichigo's time at St. Marie Academy, she is now ever closer to her dream of starting her very own pâtisserie. However, she will soon realize that it takes more than just making delicious sweets to open up a shop.

The heroine is a normal girl, until one day she is invited to another world and becomes the princess of the dream world, where people use dreams as the energy to live. One day, the dream world is being attacked by something called yumekui (dream eater), and many princes are being attacked by it. The heroine must wake them up to save the dream world, as the princes are unable to wake up due to having their dreams stolen. (Source: MAL News)

Yume de Aetara is a story about one guy Fuguno Masuo (a complete loser when it comes to relationship with women) and two girls: Shiozaki Nagisa and Hamaoka Miho. Since the story is pretty simple (and hilariously funny), further explanation will spoil everything (take the hint: watch it yourself!) (Source: AniDB)