Grisaia no Kajitsu S02E01 - The Cocoon of Caprice I

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.