Shingon of both Śakra and the 'God of Thunder.' Unique to Japanese Buddhism, Śakra, Lord of the Devas (Śakro devānām indraḥ) is worshiped as the 'God of Thunder' and is often paired with the God of Wind.
"naumaku sanmanda bodanan" = a devotion to the Buddhas/"homage to all the Buddhas"
"indoraya sowaka" (also "indaraya sowaka") = reverence to Śakra, or "hail Śakra!"