In this story, we have an emotionally unstable girl who makes a living through her art, and a reliable girl who balances her job while engaging in doujin activities. It's the reliable girl's responsibility to take care of the always hapless unstable girl. "If I get old and stop being your type... you'll just throw me away, right?" "I won't throw you away!!" Their cohabitation life faces a crisis... in this concluding volume!