1-6. Ane Control (Sister Control)
Souji tried hypnotism on his sister before, and they got in big trouble that time. They resolved never to try again. But when his big sister tells him she's planning on confessing to her senior, he just can't give her up.

7 - Ane ni Matatabi
An Tadashi suddenly finds his older sister barging in to live with him. With her high sense of smell, happy sex ensures.

8 - xx Kara Hajimaru Koi mo Aru (Sometimes Love Develops from xxx)
When he notices that his childhood friend Akane is very popular with the boys, Haru realises his feelings for her. Blooming first love and sex ensures.

9 - Ane Control - Bangaihen (Sister Control: Bangai-hen)

(Source: MangaUpdates)

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