<Tr> <Td> </Td> <Td> </Td> <Td> 21 </Td> <Td> April 15, 2014 (2014 - 04 - 15) </Td> <Td> November 25, 2014 </Td> </Tr> <Tr> <Td> </Td> <Td> 5 </Td> <Td> 24 </Td> <Td> August 31, 2015 (2015 - 08 - 31) </Td> <Td> May 24, 2016 (2016 - 05 - 24) </Td> </Tr> <P> After losing her virginity to the popular Matty McKibben during summer camp, Jenna Hamilton continues a secret relationship with him that only her two best friends Tamara and Ming know about . Upon returning home from camp, Jenna receives a "care - frontation" letter from an anonymous source, brutally criticizing her for being a "loser". When Jenna attempts to get rid of the letter, she falls and breaks her arm, accidentally making it look like a suicide attempt . Gossip spreads fast, which makes Jenna receive unwanted attention at school, especially from nosy guidance counselor, Ms. Marks, and mean girl Sadie Saxton . Jenna decides to take the advice in the care - frontation letter to become bolder and more outgoing, and her popularity increases as a result . Jenna's growing popularity initially creates tension between her and her friends but the three eventually make up . Jenna begins to resent being in a secret relationship with Matty . Later she finds out that Matty's best friend, Jake Rosati, has been hiding a crush on her . Jake breaks up with his beautiful but ditzy girlfriend, Lissa, to ask Jenna to the Winter Formal . Jenna ends her relationship with Matty to be with Jake, with her and Matty keeping their former relationship a secret from Jake . After several false leads, Jenna finds out who wrote her the confrontation letter--her mother, Lacey . </P> <P> Jake falls in love with Jenna and they begin a relationship, but this leads to awkward tension between her and Matty . The two try to keep any evidence that they were together a secret . Meanwhile, Jenna makes her mother tell her father that she herself wrote the "carefrontation" letter . After that, Kevin moves out and breaks up with Lacey because he can't understand how she could have done something so cruel to her own daughter . Meanwhile, Sadie begins dating Ricky Schwartz, much to Tamara's dismay . Jenna's "Aunt Ally" returns to get married and Jenna worries that Lacey's high school boyfriend, who is invited to the wedding, will ruin her parents' chances of getting back together . Jenna intervenes and eventually Kevin and Lacey make up . Jenna struggles with her feelings for Jake and realizes she is still in love with Matty . Sadie tells Jake about Jenna's previous relationship with Matty and he breaks up with her . On his way to apologize to Jenna, he witness her kissing Matty . The two boys get in a public fistfight but eventually make up and ask Jenna to choose between them . After much deliberation, Jenna chooses Matty over Jake and the two begin their relationship anew although Jenna wonders if she made the right decision by choosing to stay with Matty instead of going to the summer trip to Europe . At the end of the year party, Jake and Tamara kiss and become a couple while Sadie is devastated to find Ricky cheating on her with another guy, Clark . </P>

Who wrote the letter to jenna in awkward