An old textbook, exam hints and a professor at dinner: fact or viral story?

A 10,000-won textbook seems more useful than any exam guide. At the dinner meant to thank its note-maker, the story suddenly reveals a professor. The Inven reposter sums it up as a Trojan horse.

A screenshot reposted to Inven at 12:05 p.m. KST on Oct. 24 tells of a student buying a textbook for 10,000 won and allegedly scoring 95 on a midterm and 98 on a final with help from handwritten notes. A note points to chapters 7 and 11 and leaves a phone number for a meal. The alleged author of those notes turns out to be the course professor at a 6 p.m. pork-cutlet dinner. This is a story in a screenshot, not independently verified university history.

The hook is the last-minute reversal: a frugal textbook purchase becomes an elaborate professor prank. Inven displayed 8,632 views, 50 comments and 9 recommendations, and an online aggregator also listed the story. Engagement numbers inside the screenshot are not independently verified live metrics.

Three layers are visible: ① the screenshot narrator frames unexpected exam success and a dinner meeting as a personal anecdote; ② the Inven reposter jokes that someone planted a 'Trojan horse'; ③ the precise chapters, phone number and Wednesday 6 p.m. meeting work as storytelling devices that make the final twist pay off. The third point is editorial analysis, not a real comment. Individual Inven replies were not readable.

The suspense depends on a student trusting notes from someone whose identity is unknown. This makes an effective fictional twist, not evidence of a real professor secretly manipulating assessment. The tale is not a basis for judging academic fairness.

The Inven source is dated Oct. 24, 2026, 12:05 KST, displaying 8,632 views, nine recommendations and 50 comments. The screenshot appears to attribute the story to @thinkingtree413 dated Oct. 23, but the live original post, school, grades and meeting were not verified. It should not be treated as a factual report about identifiable people.

If the original and author can be verified, this may be classified more precisely as fiction or lived experience. For now it is an unverified viral twist; the screenshot stays link-only.