I Tried To Summon A Level 1 Support Nun, Why Did A 6-Winged Seraphim Goddess Appear?

What the story is about

After graduating high school, Su Yi is transported to the Myriad Worlds Battlefield, where new Lords must build territories and survive escalating monster attacks. His seemingly weak Convent and mysterious luck talent turn out to be an extraordinary advantage, letting him recruit powerful allies and rapidly grow his domain.