그녀는 친구입니까? 연인입니까? 아니면 토메후레입니까? 시리즈

Eager to break free from his solitary life and lose his virginity, Yuki signed up for a system akin to open compensated dating that was set up to combat this societal problem. To his surprise, his doorbell rang just half a minute later and was shocked when the girl who showed up was his class idol Sakurako, who he admired greatly. She gladly agreed to be lovey-dovey with him in return for a place to stay and free food. However, their outwardly wholesome partnership got off to a rocky start since neither had any experience in love nor staying over with the other sex. They invited other girls to the lessen the awkwardness when they are alone together, and gradually began to like their relationship amidst the lively days. [From Hau~ Omochikaeri!]

Tomefure is a new kind of friend relationship between students in which boy gives runaway girls in trouble free housing. Main character lives alone at a big house, so he goes to the site and opens reservations. To his surprise, all the volunteers are his beautiful classmates. [From vndbreview]

The stories and heroines are completely separate for each protagonist. Kashiwaba Yuki arc: The season is late fall and the tomefure girls are still staying at Yuki