世界征服 (Sekai Seifuku / World Domination) is Neru's first major album, released by EXIT TUNES. It contains 14 tracks, all sung by Len and Rin. Notable songs such as "Tokyo Teddy Bear", "Lost One no Goukoku", and "Saikyouiku" are featured. Tracks 2, 5, and 14 are newly written. The album ranked number 12 in the Oricon Weekly Sales chart its first week of sales.
A short preview of the album can be heard Nico Nico Douga. A full crossfade containing all of the songs is available here.
The official album website is available here. More details can be found on EXIT TUNES.