The anime series is available on various online platforms, such as Crunchyroll, HIDIVE, and Amazon Prime Video, although availability may vary depending on your region.
A very specific and interesting topic!
However, I suspect that you might be referring to a specific anime, manga, or light novel series titled "Ane Oyako de Iku" (also known as "Going with an Older Sister" or "Elder Sister Trip"). -ENG- Ane Oyako de Iku-
"Ane Oyako de Iku" is a Japanese media franchise that includes an anime series, manga, and light novels. The story revolves around the adventures of two main characters: Masamune and Natsumi. The anime series is available on various online
The series has received mixed reviews from fans and critics. Some praise the series for its lighthearted and entertaining storyline, while others criticize it for its ecchi content and perceived underdevelopment of characters. "Ane Oyako de Iku" is a Japanese media