Fan Diary: I Ran Every Pair in My Group Through the Chemistry Engine. One Spreadsheet. One Very Normal Evening.
📖 Fan Diary · 2026-06-11 · 4 min
Theo stans a thirteen-member group, which means the pairings alone outnumber his contact list. One evening he decided to map all of it — every duo, every unit line, every 'they would never interact' pair — through the Saju chemistry engine. For science. Obviously.
Every fandom has one fan who makes spreadsheets. In mine, it's me. Streaming stats, comeback timelines, a tab I refuse to explain titled 'hat frequency.' So when I found out the chemistry engine could score member pairings, the outcome was never in doubt. Thirteen members. Dozens of pairings. One very normal evening.
I expected to have fun. I did not expect to be moved. There's something about seeing your group as an element map — who's Fire, who's Water, who's the Earth quietly holding the whole formation together — that reorganizes years of content in your head. Moments I'd filed under 'funny variety clip' suddenly had a structure under them.
The three discoveries every group-chemistry nerd makes
Discovery one: the pair you'd bet on isn't always the top pair. The engine doesn't know about ships or unit lines — it only knows elements and birth charts — so when an unexpected duo outranks the fan-favorite pairing, you experience a tiny scientific crisis followed by a long scroll through old fancams looking for evidence. (You will find evidence. You always find evidence.)
Discovery two: the lowest pair is never actually low. When a group has this many members, even the 'watch-out pair' reads like two people who'd bicker over the thermostat and still defend each other to the death. Structurally incapable of bad chemistry. Iconic behavior.
Discovery three — the one that got me: the engine names a 'heart of the group.' The member whose element quietly balances everyone else's. And when I saw who it picked for mine, I made a sound. Because we KNOW. The fandom has always known. We just never had a chart for it before.
I'm not publishing my spreadsheet (it has opinions in column F that I'll be taking to my grave). But the group chemistry pages on this blog run the same engine over real birth data, and the circle tool lets you build your own — your group, your friends, your entire group chat. Wanna see your group's chemistry map? It's free and slightly unhinged, in the way all the best fandom tools are.
Fan Diaries are told by fictional fan narrators created by Honbit. Compatibility scores and reading quotes are real outputs of our Saju engine. Idols appear by name and public birthday only. This is a fan game — just for fun, unofficial, and unaffiliated with any artist or agency.
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