Higeki No Heroine Buru Imoto No Sei De Konyaku Haki Shita Nodesuga, Nazeka Seigi Kan No Tsuyoi O Taishi Ni Karamareru Yo Ni Narimashita 3 3 (Gardo Comics)

[Machine Translation] A disturbing shadow is targeting the crown prince - I will protect you. Leia begins her life at the royal palace as the Dauphin Eric's bodyguard and finally finds a place where she feels at home. However, she discovers that her sister Jill is having an affair with the Duke of Berglein, who is the subject of many disturbing rumors. She suspects that the duke is trying to use Jill to get rid of Eric, who is strictly enforcing the injustice of the nobility, and Leia, who is protecting him. ...... When we speculate this and investigate the Duke's background, we find that Jill is about to turn her hand to dangerous poison magic! What are the thoughts of Leia, the older sister, as she watches her younger sister, who aspired to become a saint, go down the wrong path? This is the third act in the checkered life of a saint who wishes for peaceful happiness!

王太子を狙う不穏な影――必ず貴方を護ります。レイアは王太子エリックの護衛として王宮での生活を開始し、ようやく心安らぐ場所を得た。しかし、妹のジルが不穏な噂が絶えないベルクライン公爵と浮気している事実を知る。貴族の不正を厳しく取り締まるエリックとそれを守るレイアを排除するために、公爵がジルを利用しようとしているのでは……。そう推測し、公爵の身辺を調査していくと、ジルが危険な毒魔法に手を染めようとしていて!?聖女を志していた妹が道を違えていく様に、姉であるレイアが抱く想いとは――。平穏な幸せを願う聖女の波瀾万丈ライフ、第三幕！