Kiniro Mosaic - Vol. 8 Ch. 12

[MangaDex]

 

[Hikokujaku]

Haiku is indeed have 17 "letters". But to be exact it's 17 letters in a 5-7-5 form. It would be good if you make it in 5-7-5 syllables in English.
Karen Karen chan
Ahhh Karen-chan Karen-chan
Karen Karen chan