12 titles recommended if you like Maid Sama!
Hana-Kimi
Shikimori's Not Just a Cutie
Seiren
The Dangers in My Heart
Lovely★Complex
Alya Sometimes Hides Her Feelings in Russian
Nisekoi
You are Ms. Servant
Can a Boy-Girl Friendship Survive?
School Rumble
Pseudo Harem
I'm Getting Married to a Girl I Hate in My Class