マセ恋歌 (Mase Renka)

Background
The fourth song in Lelele-P's Love series. It was featured in the albums Len Ai Itashimasen kaa! (レン愛いたしませんかぁ！), All Night Leleledio! (オールナイト れれれでぃお！), Mo～tto! Len Ai Itashimasen kaa! (も～っと！レン愛いたしませんかぁ！), and LELELEGEND.