Tablyu-w public notice board!!

New question

I'm thinking of releasing a new work...
Is the title 3 Couples Under One Roof?

Oh, but Baekdo is confirmed there...
I want to ask you something

1. Chanshu, Sejun
2. Chanjong, Sejun
3. Sechan, Shujun
4. Sejong, Chanshu
5. Sechan, Shujun

Please give me some comments