Robina Goodfellow (CV: Eri Suzuki) – Tale of the Three Heroes

三英傑の序詩 – ロビィナ・グッドフェロー(CV:鈴木絵理)

Audio is from the OST of season 1
Image is from the novels as far as I can see

Saihate no Paladin
The Faraway Paladin
Season 1