Can a junior high jock turn high school sweetheart overnight? When Haruna hits 9th grade suddenly boys seem much more interesting than softball! Will Haruna’s high school debut end up in heartbreak hotel?

For Yoh's birthday, Haruna makes plans for the two of them to go on an overnight trip. Wait a minute...overnight means...they'll be sharing a room?! Close quarters create an intimate setting for romance, but will that be the case for Haruna and Yoh?