How you met (Part 1)

I've seen a bunch of these and have read a bunch, so now I wanna do my own!

Games:
Trigger Happy Havoc
Goodbye Despair
Killing Harmony
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Characters:

Trigger Happy Havoc:
Byakuya Togami
Makoto Naegi
Chihiro Fujisaki
Mondo Owada
Kiyotaka Ishimaru
Leon Kuwata
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Goodbye Despair:
Hajime Hinata
Nagito Komaeda
Fuyuhiko Kuzuryuu
Gundham Tanaka
Kazuichi Soda
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Killing Harmony:
Kokichi Ouma
Kaito Momota
Shuichi Saihara
Korekiyo Shinguji
Ryoma Hoshi
Rantaro Amami
Kiibo / Keebo / K1-B0
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Enjoy 😊