Thus, —either a false memory of a mobile port or a typo from an entirely different series.
It is almost certainly a placeholder, typo, or hoax. Please check the source carefully. For real similar content, search for Takamine-ke no Nirinka (PC game) or Sora no Iro, Mizu no Iro The Animation (OVA).
The story follows Tomoya, a student who has been living with his aunt Kasumi and her two daughters, Ayame and Sayuri, since his parents passed away. :
Takamine-ke no Nii-chan
: These versions are often compressed or formatted specifically for handheld devices like the PlayStation Portable (PSP) or early smartphones.