At St. Cross Gakuen, a Catholic girls' middle school, each underclassman is mentored by exchanging letters with an upperclassman, her secret onee-sama. Best friends Hana and Nana are new first-year students, who encounter the beautiful student council president Shiori and vice president Mitsuki, and join the paranormal club started by their eyepatch-wearing classmate Kanon.

In the Forest of Crystals, all kinds of mysterious being live together in peace. This is a collection of short stories about their daily life and adventures.

I am Rinceir the Elf, the greatest foodie in the elven world! In the castle town of Farenheit, there appeared a man who pulled a mysterious cart that served a strange new food called "ramen." Each bite tasted heavenly! I quickly became captivated by this "ramen" and waited for him and his cart to come by every night. However, one night, that man I had come to call my "friend" disappeared from my life. Twenty years later, I am still waiting on the same street corner, hoping to see "ramen" again. Oh...... my beloved "ramen", will I ever be able to taste it again......? (Source: Pash Books, translated)

Sasamura is curious about a new transfer student, Ayano Otsuka, who has beautiful handwriting. Otsuka comes to Sasamura family's stationery store and tells him that she wants to send some letters, which is unusual these days. Sasamura wants to make friends with her, but Otsuka has a secret she can't tell anyone... (Source: Shonen Jump Plus, translated)