Lovely Complex

Risa and Otani form an alliance to improve their chances with Suzuki and Chiharu. They devise strategies to win the affection of the person they each like. Their efforts lead to a series of interactions that test their plans and feelings.

Risa and Otani place a bet on who will find a partner first. As Otani encounters his ex-girlfriend, Risa actively seeks out new romantic connections.

Risa reunites with her childhood friend Haruka, and Otani's former girlfriend shares a personal secret with her. Meanwhile, Risa bakes a chocolate cake for Otani as part of Valentine's Day preparations.

Risa and Otani meet a new student on the first day of school, and they learn that she has a crush on Otani.

Otani begins a relationship with Seiko, causing Risa to feel uneasy, though she keeps her concerns to herself. New revelations about Seiko's past emerge, adding tension to the situation.

Risa begins to recognize her growing affection for Otani, and with encouragement from their friends, she takes steps toward expressing her feelings to him.

During the school festival, Otani becomes increasingly frustrated as no one reveals the identity of the boy Risa is interested in, while Risa feels downhearted over Otani's inability to grasp her emotions.

Risa is upset and embarrassed by an incident that occurred during the school festival and makes an effort to avoid Otani. The class later goes on a trip, providing a new setting for their interactions.

Risa attempts to move on from her unrequited feelings for Otani as they visit Umibouzo's favorite vacation spot. Through the trip, she gains new insights into relationships and self-understanding.

Risa accompanies Otani to a party hosted by his former middle school friends, where she learns revealing insights into Otani's past relationship with his ex-girlfriend.

Risa learns that Otani's ex-girlfriend has recently ended her current relationship and may be interested in reconnecting with Otani, prompting Risa to take steps to prevent any contact between them.

Risa gives chocolates to Otani on Valentine's Day, but the gesture is revealed to the class, leading to embarrassment and confusion. Otani struggles to understand his feelings for Risa as rumors and attention spread.

Otani arranges for Risa to attend an Umibouzo concert with him but becomes ill the day before the event. Risa, encouraged by her friends, visits Otani and meets his family.

Risa becomes upset after discovering that Otani has no memory of their first kiss. A new, charismatic teacher arrives at their school, capturing the attention of Risa and her classmates.

Risa, disillusioned with Otani, establishes the Maity club, which unexpectedly gains a following. Maity is appointed as the substitute basketball coach, a decision that deeply upsets Otani, who harbors multiple resentments toward him.

Maity attempts to support Risa by trying to provoke jealousy in Otani.

Risa and Otani reunite as a comedy duo, rekindling their partnership. Meanwhile, news spreads at school that Maity is engaged, and Otani takes part in a basketball competition.

Risa celebrates her birthday with a surprise party planned by Haruka and Seiko, but their efforts are complicated by Otani's unexpected absence.

Risa remains happy with her relationship with Otani despite not being able to openly define it, and the two attend a baseball game where they encounter a possible competitor for Risa's attention.

Mimi, Otani's neighbor and secret admirer, confronts Risa and demands she keep her distance from Otani, causing Risa to feel intimidated.

Risa and Otani's friends learn about Otani's plans to attend university, which surprises them. Nobuko also announces her intention to study at a university in a different city.

Otani focuses on preparing for university entrance exams, while his friends pursue their own personal goals. Risa, feeling uncertain about her future, begins working part-time as a waitress and meets someone who shares her interest in Umibouzo.

Otani becomes suspicious of Risa's relationship with a boy at her workplace and accuses her of having an affair, leading him to break up with her. Risa attempts to explain and apologize for any misunderstandings, but Otani remains unwilling to reconcile.

Otani spends the night at Risa's home before his exam and meets her family. After taking his exam, he and Risa encounter Mimi, who has become a model, prompting Risa to reflect on her own future.