Aishite Aisare Nakucchane!(2004)

Aishite Aisare Nakucchane!

Love is life! Mako is a super energetic high school girl for whom love is everything. One day, she falls in love at first sight with Shinya, the most tough guy in school. She confesses her feelings immediately, but is rejected on the spot. But, this burning feeling won't disappear! She will keep on attacking and attacking and attacking until she can make this love come true.

(Source: Shogakukan, translated)

Note: Includes one extra chapter.