Mainichi Shabutte Ii Desu ka? ~1-Heya-Manyuu Kazoku~
Original title: 毎日しゃぶっていいですか？ ～1部屋-魔乳家族～
The adversity of pubescence and being the only male member of a family of six people is what you face daily. You, your sisters, and your mother live together crowded and in in a very small room. To make things worse, their huge breasts adds more to the cramp the space. Good thing is that you have the privilege to suck on them.