Ai wo Utae (アイヲウタエ, lit., "Sing of Love") is the first closing theme song of Monogatari Series Second Season, used for the first ten episodes of the series. It was composed by Jin (Shizen no Teki-P) and performed by Luna Haruna. The song was first released as a single with both regular and limited editions, and was later included in Haruna's first album "OVERSKY".