No one else has done this so I decided to compile them all.

---The Kiarmu Timeline---
(only "important" interractions, most tweet/cute interractions skipped)
>First interactions Era: Pomu replies to Kiara's washing machine explosion and they talk about it
https://twitter.com/PomuRainpuff/status/1400864593719746562
https://files.catbox.moe/1me95f.png
one month later she replies to her again, no response
https://twitter.com/PomuRainpuff/status/1413562401518141442
>Kiara tweets waiting for Pomu after late to Karaoke after a month of no reply
https://twitter.com/PomuRainpuff/status/1419806052430893057
https://files.catbox.moe/79zqyy.png
>Kiara enters Pomu's stream Era
https://youtu.be/ZRb4HsiQXc8?t=6493 (promises more Hello Project)
https://youtu.be/b9-iggvRWXw?t=15141
>She will visit me eventually
https://youtu.be/LbyitrWHbU8?t=5876
https://youtu.be/LbyitrWHbU8?t=10229
>Kanauru Gingerbread Rap Era
https://youtu.be/5N9YguERWJg?t=4985
https://youtu.be/5N9YguERWJg?t=12064
https://youtu.be/Xefr784MCkM?t=5401
>Kiara talks about how Pomu was the first non-Holo to message her right after her outfit reveal failed
https://youtu.be/BGxGY2jl6dw?t=23146
>Pomu dedicates a song to a "certain someone" (obviously for Kiara upon her previous requests from the last karaoke)
https://youtu.be/mDH4PFbAsIo?t=4197
>Selen and Pomu watch Kanauru's video and mention Kiara
https://youtu.be/EzbO9N-hX7k?t=36240
>Kanauru makes a special video for Kiara and Pomu
https://twitter.com/kanauru/status/1486132264299687937
>Kiara says she may have donated "quite a lot" of money to Pomu for her outfit reveal. Also reads some DMs she sent to Pomu
https://youtu.be/Y-yIyl4FOaw?t=21020
https://youtu.be/AKAM_MSN-FY?t=11051

Bonus:
>Selen tries to avoid mentionning KFP in her analogy somewhere in this stream but can't
https://youtu.be/DeCK8I_GQ4U

>All Kiara twitter mentions to Pomu
https://twitter.com/search?q=(from%3Atakanashikiara)%20(to%3Apomurainpuff)&src=typed_query
>All Pomu twitter mentions to Kiara
https://twitter.com/search?q=(from%3Apomurainpuff)%20(to%3Atakanashikiara)&src=typed_query&f=top

I'll of course update this as time goes on. I just want them to fuck already.