Associated Names
Onee-San Is Invading!?
おねーさんが侵略中！?
누나가 침략중!?

Author/Artist
SANRI Yoko (さんりようこ),

Rapidgator
One_San_Ga_Shinryaku_Chu_v01.rar
One_San_Ga_Shinryaku_Chu_v02-04.rar
One_San_Ga_Shinryaku_Chu_v05.rar