[Taken from evil-empire] 16-year-old Jounouchi Youko is a young girl who has just transferred to a new high school due to her family's recent financial losses. During her first week there, she is assigned to the weekly infirmary duty with a the most dangerous guy in school, Tsukina-kun! How will she deal with Tsukina-kun and her infirmary duties at the same time? The third oneshot done by Amano Maron, the mangaka of Kawaii Oresama!

From Shoujo Manga Maniac:

Seri, a girl who loves cute boys, finds herself being zeroed in by Shin, a boy who calls himself "ore-sama"...

From Shoujo Manga Maniac:
Tsubaki Beniko, 16 years old. After being rescued by the handsome prince of the school Kendo Club, Shirotae Shiki-kun, she fell in love with him! But even after becoming a couple, Beniko sees him always distant, and she wants him to be more like a boyfriend should be! But once Beniko's childhood friend, Kurosu Yui-kun, comes back, maybe that'll be the time for Shiki to show his real feelings for her!