Features a performance "15TH ANNIVERSARY LIVE KAT-TUN" held at Yokohama Pia Arena MM on May 29, 2021. Regular edition compiles "Seiten no Hekireki," "Tsuki no Michi," "Le ciel - Kimi no Shiawase Inoru Kotoba -" (solo angle). Cover artwork is different from Type 1's and Type 2's.