S・L・H ストレイ・ラブ・ハーツ!

On the eve of her sixteenth birthday, Kozue Hiyoki is visited in her dreams by a man who steals her heart- literally! Determined to find him and retrieve her stolen heart, Hiyoki enrolls in the S-Hall dormitories of St. Nazareth Academy, but quickly realizes that its residents are not at all like she expected... For starters, they're all guys.