A very specific and interesting topic!
The series explores themes of sibling relationships, romance, and coming-of-age. The tone is generally lighthearted and comedic, with some ecchi and harem elements. -ENG- Ane Oyako de Iku-
"-ENG- Ane Oyako de Iku-" appears to be a Japanese phrase, which roughly translates to "Going with an older sister" or "Going with an older sibling" in English. A very specific and interesting topic