ラブライブ！蓮ノ空 5th Live Blu-rayの高価買取価格

The item you're referring to seems to be a Blu-ray Memorial Box set for the "Love Live! Rennozora Girls' School Idol Club 5th Live Tour - 4Pair Power Spread!" involving the popular multimedia franchise "Love Live!" which includes music, anime, and video games. This particular live tour features performances by various school idol groups and showcases their songs and stage presence.
The set likely includes the Blu-ray of the live performances, along with possible extras such as photo cards, booklets, or behind-the-scenes footage. For more specific details regarding its contents, release date, and package items, you may want to check official merchandise sites or retailers where it's being sold.
If you have any specific questions about the content of the Blu-ray or the performances, feel free to ask!