Shinseki No Ko To O Tomari Dakara De Anohana Free ((install)) -

: The cheerful girl whose ghost is only visible to Jinta at first.

Another anime with a similar emotional tone and a “sleepover with cousin” trope: shinseki no ko to o tomari dakara de anohana free

Put together, this might be a garbled or shorthand phrase from a fan context, like: "Because (I'm) staying over with the relative's child, (watching) Anohana and Free." : The cheerful girl whose ghost is only