Love Trap [Kaikan Torappu]

From the back cover:
Jing is ridiculed by her classmates as ‘ugly’ after unsuccessfully confessing her love to Tianyan. With the failure still in her mind, she swears to lose weight and to get revenge by making Tianyan fall in love with her! However, after a series of event, Jing is beginning to have second thoughts about her plan…

Other Title:Kaikan Torappu
Creator:Kuramochi Mari
Status: Ongoing
Genre: Drama, Romance, Shoujo, Comedy