This is not a romantic peak; it is the starting pistol. Once the confession is accepted, exclusivity is assumed. Physical intimacy comes after the verbal contract. In romantic storylines, the tension rarely revolves around "will they hook up?" but rather "will they have the courage to verbally articulate their feelings?" Anime like Kaguya-sama: Love is War brilliantly satirizes this, creating Olympic-level psychological warfare over who will confess first.
Storytelling in Japan often utilizes specific physical tropes to heighten tension. The kabedon —where one person pins another against a wall—is a classic (though often exaggerated) trope used to signal a sudden, intense shift in the relationship dynamic. Generally, these stories move at a "slow burn" pace, focusing on the emotional growth of the characters over physical intimacy. The Intersection of Reality and Fiction
It is the girl who holds an umbrella for her crush for an hour without saying a word. It is the salaryman who notices his coworker changed her perfume, but says nothing. It is the ghost in the library who never got to send the letter.