Maki Usami
Usami's Debut Work was "Great Song," which appeared in Deluxe Bessatu Shoujo Comic on October 5th, 1998
Most of her works are one-shots about school-life.
One of her well-known series is Orange Kiss, licensed in five languages already.
Mangaography

Kokoro Botan
Maki Usami

Yuugure Light
Maki Usami

Haruyuki Bus
Maki Usami

Spice to Custard
Maki Usami

Sekai wa Happy de Dekiteru
Maki Usami

Orange Kiss
Maki Usami

Caramel Milk Tea
Maki Usami

Sweet II
Miki Aihara, Kamaro Kikuchi, Yukio Kanesada, Aiko Natsume

Koi*Oto
Maki Usami

Shiawase Ikura de Kaemasu ka?
Maki Usami

Hetare Venus
Maki Usami

Kanon (Maki Usami)
Maki Usami

Ovally Trap
Maki Usami

Ringo Hoppe no Koi
Maki Usami