The Fruit of Grisaia S02 E01 The Cocoon of Caprice I

"Is It A School? A Prison? Or His Next Lethal Assignment?"

Asako Kusakabe rescues a young Yuuji from terrorists on a certain mission. She has evaded death as a soldier time and time again, and on a whim decides to become Yuuji's guardian. Although she partially forces it, and despite her coworker JB's concerns, the awkward female soldier and young man begin to live under the same roof.