Which poster and shirt?

Poster 1: link
Poster 2: link


シャツ 1: link
シャツ 2: link
シャツ 3: link
シャツ 4: link
シャツ 5: link
シャツ 6: link

I'm trying to get at least one シャツ and one poster right now. I'll have to buy the rest way later this year.

And would あなた call this obsession:
link