The 100 Girlfriends Who Really, Really, Really, Really, Really Love You unveiled the opening song for its third season on June 27, 2026, ahead of a July 5 premiere. The track is "Daisuki♡Zutto Eien ni♡" ("I Love You♡Always and Forever♡"), performed by the Rentaro Family — the in-character cast unit named for protagonist Rentaro. Bibury Animation Studio returns to animate.
Quick answer
The 100 Girlfriends Season 3 premieres July 5, 2026, animated by Bibury Animation Studio and airing on Tokyo MX, Sun TV, and BS11. The new opening, "Daisuki♡Zutto Eien ni♡" by the Rentaro Family, was revealed on June 27. The series adapts the manga by Rikito Nakamura and Yukiko Nozawa (published in English by Seven Seas). On SenpaiRanks, the franchise holds a 7.07 adjusted score on the dual-axis board.
The new opening
The cast-unit OP is on-brand: a harem comedy this committed to its bit gets a theme sung by the cast in character. Here's the preview video:
Where it stands
Three seasons in, 100 Girlfriends has settled into a reliable lane — fast, loud romantic comedy that doesn't pretend to be anything else. SenpaiRanks tracks it at a 7.07 adjusted, a Consensus-friendly score for a show that knows its audience. For more of the season's romance picks, see our best romance anime of summer 2026 — and this week's other rom-com headline, Rent-A-Girlfriend's confirmed sixth season.
Frequently asked questions
Q: When does The 100 Girlfriends Season 3 premiere?
A: July 5, 2026, on Tokyo MX, Sun TV, and BS11.
Q: What's the Season 3 opening song?
A: "Daisuki♡Zutto Eien ni♡" by the Rentaro Family, the in-character cast unit.
Q: Who animates The 100 Girlfriends?
A: Bibury Animation Studio.
Q: What is the series based on?
A: The manga by Rikito Nakamura and Yukiko Nozawa, published in English by Seven Seas Entertainment.