![1girl ahoge bent_over black_eyes black_hair blush breasts character_sheet cleavage dress hair_ornament head_tilt long_hair looking_at_viewer md5_mismatch medium_breasts orca original personification sandals shinkai_no_shachi shinsha-chan solo two_side_up very_long_hair rating:s score:2 post #1982161](/cdn_image/preview/27/06/27067f1965a383bd0ad1025e95fc9042.jpg)
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Official name: シンシャ (Shinsha)
Pixiv tag: しゃちっ娘 (Shachikko, lit. Orca-girl)
An original Orca-girl first created by Shinkai no Shachi ("Deep-sea Orca"). She is a tall young lady with very long black hair that sticks up at the top, and with small portions tied off on each side using round, white hair ornaments, resembling the head and fins of a killer whale. She wears a long white dress and sandals - sometimes her dress is strapless, sometimes not. Some depictions give her black bracelets that look strikingly similar to Ikamusume's blue bangles, though she is most often drawn without them.
She has no non-human features, making her a completely personified killer whale.
While the Pixiv tag that refers to her just means "Orca-girl", she remains the sole occupant of the tag. Use discretion if this ever changes.