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清楚 or せいそ
Meaning clean, tidy in Japanese.

Have been adopted by VTubers to mean Wholesome. Seems to be used ironically in many instances.
"She's a psychopath!"

"What do you mean? She's totally seiso!"
by Notayler September 12, 2020
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May 25 Word of the Day
someone who is sexy beyond mean
by NiSHA..hit ma aim November 14, 2009
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2
A Japanese word which describes someone with a pure and clean image. This word would typically be used to portray the ideal Japanese beauty or an idol. Seiso can also imply a sense of wholesomeness.
Matsuri can be really seiso at times even though she’s a lolicon...

Nyanners is totally seiso, she is the most pure angel ever who would never ever steal your wife!
by Cruby September 14, 2020
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