In need of a very specific book

I'm searching for a young adult romance novel set in a modern-day high school that features the following elements:

Male Protagonist:

Personality Traits: Calm, collected, cold, and calculating.

Behavior: Obsessively adheres to social rules and norms within the high school environment.

Facade: Presents a respectful and caring demeanor towards teachers and peers, masking his true emotional numbness and detachment.

Academic Profile: Highly intelligent and uses his intellect to achieve excellent grades, maintaining a perfect facade.

Emotional Depth: Despite his outward composure, he harbors underlying pain or loneliness that he conceals from everyone except one person.

Female Protagonist:

Personality Traits: Bubbly, emotional, and has an average level of intelligence.

Behaviour: Possesses a warm and outgoing personality that contrasts sharply with the male lead's cool demeanor.

Unique Insight: The only person who can see through the male protagonist's emotional mask, sensing the hidden pain beneath.

Role in Relationship: Persistent and determined to break through his emotional walls, despite his calculated attempts to keep her at a distance.

Relationship Dynamics:

Development: The story focuses on the gradual breakdown of the male protagonist's emotional barriers through the female protagonist's unwavering efforts.

Climax: Their interactions lead to a deep romantic relationship by the end of the novel.

Character Growth: The male protagonist slowly begins to open up emotionally, while his calm and collected nature remains a central aspect of his character.

Setting and Themes:

Environment: Modern-day high school with typical teenage experiences and challenges integrated into the narrative.

Themes: Exploring emotional detachment, the impact of maintaining facades, the power of persistent love, and personal growth through relationships.

I'm looking for a novel that intricately portrays these character dynamics and relationship progression, culminating in a heartfelt and committed romantic relationship between the two protagonists.