AKB48 Request Hour Setlist Best 100 2011 is AKB48's 4th Request Hour. A voting ticket was included in Beginner's limited edition. All songs out at the time of voting were available to vote, with the exception of the medleys in A3 and K3, Sakura no Hanabiratachi 2008, the Baby! Baby! Baby! remixes, AKB's cover of Idoling!!!'s Moteki no Uta, Ganbare!, 3seconds, Love Wars, and Stargazer.

The AKB48 Request Hour Setlist Best 100 2008 (AKB48 リクエストアワー セットリストベスト100 2008) was held from January 21 to January 24, 2008 at Shibuya AX. Fans made their voices heard by voting for their favorite AKB48 original songs.

Evening performance of the concert "Lyrical Lily x Merm4id Godo Live Nyan-Nyan Shake!" held at Zepp Haneda in Tokyo on April 24, 2021.

Daytime performance of the concert "Lyrical Lily x Merm4id Godo Live Nyan-Nyan Shake!" held at Zepp Haneda in Tokyo on April 24, 2021.

Hirajima Natsumi, Okada Mei, Hazuki Himari, and Negishi Ai arrive at a luxurious beach house. Soon after arriving, they are informed that they will be competing in a series of challenges, the overall winner of which will be deemed the "center" of Merm4id. These challenges are interspersed with gravure-type segments that feature all four unit members. Challenges include guessing what sports each member played in school, cooking omurice, drawing logos from memory, guessing smoothie flavors, a capture-the-flag game involving inner tubes, and guessing items related to their D4DJ characters through touch.