Tade Kuu Kimi mo Suki Suki - Vol. 1 Ch. 5 - Yeah, she's cute.

[MangaDex]

 

[Oeconomist]

Yeah, look at what happened to the score for this manga. I suspect that other manga are similarly hammered in response to April Fools jokes, but those with fewer prior scores will get hit harder, as will those where more than one joke chapter is posted.

 

[Pandacyborg]

The joke wasn’t particularly funny in one chapter but it was ok. Three chapters seems a bit much