"Nice chair" (side quest alpha 0.7)
-  Joanne story + Benita introduction
- unlocks forest house interior
- start it at Joanne's house (day 4) (question mark will show up when it become possible)
- it is only possible/available on day 4
- several animated scenes /w Joanne + Joanne/Benita (incl a little minigame)
Spoiler:
There are several factors influencing the outcome of this side quest in general.
To see the full quest line incl NSFW (otherwise it will just give the story part):
- you'll have to "accept Joanne/participate" the day before
- you'll have to "accept Benita/being interested" while playing the story