Kenshi Yonezu’s ‘IRIS OUT’ Returns to No. 1 as Number_i’s ‘LAVALAVA’ Bows as No. 2 on Japan Hot 100

Kenshi Yonezu’s “IRIS OUT” is back at No. 1 on the Billboard Japan Hot 100 on the chart released Dec. 10.

The Chainsaw Man – The Movie: Reze Arc theme is back at the summit after two weeks, logging its tenth week atop the list after debuting at No. 1 on Sept. 24 with the highest point total of the year.

Debuting at No. 2 is Number_i’s “LAVALAVA.” The track appears on the trio’s album No.II (Deluxe), released digitally Dec. 1, and moved 28,431 downloads to enter at No. 2 for the metric, while coming in at No. 33 for streaming, No. 1 for radio airplay and No. 8 for video views.

DOMOTO’s “Ai no Katamari” bows at No. 3. Originally released in 2001 as the B-side to KinKi Kids’ 13th single “Hey! Minna Genki Kai?”, the track has been newly arranged and recorded following the group’s name change from KinKi Kids to DOMOTO. The track debuts with 37,175 downloads to rule the metric, while hitting No. 3 for radio and No. 10 for video. The original KinKi Kids version also climbs, rising 88-56.

Morning Musume.’25’s “Teka HAPPY no HAPPY!” launches at No. 4. The lead track from the long-running girl group’s 76th single entitled “Teka HAPPY no HAPPY! / Watashi no Lamentazione” sold 102,753 copies to debut at No. 2 for sales, and enters at No. 15 for downloads.

In other Billboard Japan chart news, songs by Mrs. GREEN APPLE rise following the Dec. 5 announcement of their year-end wins for both Song and Artist of the Year. “Lilac,” the Song of the Year, moves 24–21, “Darling” climbs 27–23, and “KUSUSHIKI” rises 32–24, among other gains. On the albums side, Snow Man — whose best-of set claimed Album of the Year and Top Albums Sales — also rebounds on the Hot 100 with “CHARISMAX,” jumping 26–13 as streaming increases to 137% of last week and downloads to 247%.

The Billboard Japan Hot 100 combines physical and digital sales, audio streams, radio airplay, video views and karaoke data.

See the full Billboard Japan Hot 100 chart, tallying the week from Dec. 1 to 7, here. For more on Japanese music and charts, visit Billboard Japan’s English X account.