My sister bed swings to hear my sister's voice

The fifth series of popular series is summer vacation sp. The sisters belonging to the badminton club of the same high school are attacked by the staff of the training camp, and the sisters who came to the pension are attacked by the father of the father who came together. The elder sister who stretched ahead is suppressed her voice desperately because she doesn't want to break to the younger sister, but it is estranged in the pill that leaks. The man completely closes the midsummer sister donburi for the younger sister who was pretending to sleep.