Few questions from Itaewon Class are searched as often as when Park Sae-ro-yi actually begins to like Jo Yi-seo back. Yi-seo makes her feelings clear early and repeatedly, while Sae-ro-yi spends most of the series emotionally anchored to his childhood attachment and his promise to his father. The slow, restrained shift in his feelings is exactly what makes the ending satisfying, and it is also why viewers turn to search engines to confirm what they think they saw rather than rewatching sixteen episodes.

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The Short Answer

Sae-ro-yi's feelings change gradually rather than at a single dramatic moment, but the turn becomes visible in the later part of the series, roughly from the middle of the second half onward. Before that, he treats Yi-seo primarily as an exceptionally capable manager and a loyal member of his team, deliberately keeping distance because his emotional world is still organised around the past and around avenging his father.

By the closing episodes his behaviour changes in ways the show makes unmistakable: he becomes protective in a personal rather than managerial way, he reacts to the possibility of losing her, and he finally speaks plainly about what she means to him in the finale. The confession lands as the resolution of a long arc rather than a sudden twist.

The Moments That Signal the Shift

Watch for scenes where Sae-ro-yi's composure breaks. He is a character defined by control and principle, so his feelings are shown through small failures of that control: hesitation before answering, choosing her wellbeing over strategic advantage, and moments where he cannot maintain his usual emotional distance.

The crisis sequences near the end accelerate everything. When Yi-seo is genuinely in danger, his reaction is no longer that of an employer or a friend. That fear, and his response to it, is the clearest evidence that his feelings had already changed well before he was willing to say so out loud.

Why the Slow Burn Works

The writing gives Sae-ro-yi a reason to be emotionally unavailable. His first attachment is tied to grief, loyalty and an idealised memory, and letting go of it means accepting that his life can move forward. Yi-seo's directness contrasts with that, and the tension between her openness and his restraint is what keeps the relationship compelling across the season.

It also makes the resolution feel earned. Because he never pretends, the eventual admission carries weight. This is why the search question persists years after release: the change is real but deliberately understated, so viewers want confirmation of when it began.

What This Query Teaches About Search Intent

A question like this is a perfect example of entity-based search. The user is not looking for a keyword match; they want a specific fact about a relationship between two named entities inside a named work. Pages that win these queries answer immediately, then add supporting detail, context and related questions.

They also cover the surrounding cluster: character backgrounds, episode summaries, the ending explained, cast information and comparisons with the original webtoon. Building a connected hub of these pages, with clear internal links, establishes topical authority far more effectively than a single article, and it dramatically increases pages per session.

Practical Lessons for Entertainment Publishers

Lead with the answer in the first paragraph and in a descriptive subheading, because both readers and AI systems extract that. Handle spoilers responsibly with clear signposting, since trust affects whether readers return. Keep pages fast, because entertainment traffic is overwhelmingly mobile and arrives in bursts when a series trends again.

Add structured data for articles and frequently asked questions, use accurate names and alternate spellings that people actually type, and refresh content when a show returns to popularity on a streaming platform. These simple habits separate the pages that own these queries from the thousands that never rank.

From Fandom Traffic to Real Growth

Answer engines increasingly resolve plot questions directly, which means being the cited source matters more than ever, and that is precisely what our GEO services are designed to secure. Combined with the audience building work of our digital marketing team, a well structured content library can turn passing curiosity into a loyal readership. Whether you publish drama recaps or run a business in an entirely different field, the principle is the same: answer the real question clearly, and build the structure that makes you the obvious source.