I’ve Become A Holy Knight, But The Commander’s Breasts Are Too Amazing To Cleanse My SoulSeikishi ni Natta kedo Danchou no Oppai ga Sugosugite Kokoro ga Kiyomerarenai; 聖騎士になったけど団長のおっぱいが凄すぎて心が清められない; I've Become a Holy Knight, but the Commander's Breasts are Too Amazing to Cleanse My Soul; 虽然我成为了圣骑士但是团长的欧派厉害过头没法保持心灵纯洁; 雖然我成為了聖騎士但是團長的歐派厲害過頭沒辦法保持心靈純潔; Tôi đã trở thành thánh kỵ sĩ nhưng không thể thanh tẩy được tâm hồn do bộ ngực vĩ đại của đoàn trưởng quá tuyệt

The aspiring sword master, Ruga, was chosen to join the Order of the Holy Knights due to his sincerity and swordsmanship prowess. He is assigned to the Sixth Order, rumored to be a "living hell," and prepares himself for tough times. However, he ends up meeting the big-breasted Commander, Leon Myrie, who says "Welcome, Ruga. You are the only male knight of the Sixth Order." Looking at his right, he saw big breasts, at his left, beautiful women! Will Ruga's reason last in the face of this inescapable Order?!