Tsurukusa no Niwa

From Bliss:

1-3) Garden Where the Ivy Plants Grow
Summer vacation has started and Yoshiyuki and his cousin, Takaharu are being tutored by Kurushima, who works for Yoshiyuki's brother. Though reluctant at first about having a home tutor, Yoshiyuki starts developing an attraction towards Kurushima. However, there's more to Kurushima than meets the eye...

4) Lies
Kano's father runs away from home leaving him stuck with the debt collector. Will the debt collector turn out to be his worst nightmare or his savior?

5) Box
After Nanao's apartment burns down his older brother insists on him moving in with his family. The problem is his nephew Kei who seems to have an interest in him.

6-7) Conditionally
Fujishiro works at a cleaning agency, every Wednesday he cleans Ikeuchi apartment. Until one day he comes across Ikeuchi passed out on the floor, on that day their relationship made a major change.