📝 Highlights & Appeal Light spoilers
01① The new Siltvelt arc begins
Naofumi's group steps into Siltvelt, a land steeped in political intrigue, and faces a fresh set of trials.
02② New characters Barnal and Jaralis appear
Two new characters who greet Naofumi's party in Siltvelt join the story.
03③ The story moves toward Raphtalia's homeland, Kutenlow
After the Siltvelt arc, the story finally shifts to Kutenlow, the land where Raphtalia was born.
04④ OP theme by MADKID: 'Resolution'
Rock band MADKID's powerful OP theme, 'Resolution,' sets the tone for the season.
05⑤ ED theme by Chiai Fujikawa: 'Eien ni Ikkai no'
Chiai Fujikawa's ED theme, 'Eien ni Ikkai no,' lingers over the group's journey between battles.
06⑥ Animation by Kinema citrus
Kinema citrus, the studio behind the series since its start, continues handling the animation.
07⑦ Foul and Atla continue to shine
Hakuko siblings Foul and Atla remain vital members of Naofumi's traveling party.
08⑧ Season 5 is already confirmed
A sequel, Season 5, has already been confirmed and is scheduled to air in 2027.
💡 Key Points & Predictions Some spoilers
Season 4 progresses from the Siltvelt arc into the Kutenlow arc, and Season 5 has already been greenlit. A new journey toward a battle with a phoenix has been teased, with Season 5 set to air in 2027.
🧾 Story So Far Contains spoilers
Summoned to a parallel world as one of the four Cardinal Heroes, Naofumi Iwatani starts out at a severe disadvantage, wielding only a shield, but forges deep bonds with his companions across Seasons 1 through 3. In Season 4, the group heads to the new land of Siltvelt, meeting new characters Barnal and Jaralis amid political intrigue, before the story shifts to Raphtalia's homeland of Kutenlow — symbolized by a new key visual of Raphtalia in shrine maiden robes beneath blooming cherry blossoms.
✅ Recommended Viewing Points
Recommended for fans of classic isekai fantasy that also takes political intrigue and found-family bonds seriously. Longtime fans and newcomers jumping in at Season 4 can both enjoy it.
👀 Trivia & Fun Facts
💫 Unresolved Foreshadowing Contains spoilers
How much of Raphtalia's past will be revealed in the Kutenlow arc, and how it connects to the coming battle with a phoenix in Season 5, are the biggest questions going forward.