Claim: There are six OVA episodes, the OVA-1 or first episode entitled, "Paladiness of Mirage I" was aired on April 8, 2020 (2020-04-08), and the OVA–2  or the second episode was entitled "Paladiness of Mirage II", which was aired on the same date as the episode one.
Evidence: "Paladiness of Mirage I"
Transcription: "Kagerō no hijiri kishi-hen I" (Japanese: 陽炎の聖騎士篇I) April 8, 2020 (2020-04-08) "Paladiness of Mirage II"
Transcription: "Kagerō no hijiri kishi-hen II" (Japanese: 陽炎の聖騎士篇II) April 8, 2020 (2020-04-08) OVA–3 OVA–4 OVA–5 OVA–6