This is cute but...How....can they have sex? lol

something like this maybe? lol
http://www.mangago.me/read-manga/free_dj_can_haruka_have_sex_with_rin_after_suddenly_turning_into_an_odd_little_lifeform/

The same way as in Puppet Master by Gengoroh Tagame ?

That was amazing Thx u for that(づ￣ ³￣)づ

I was thinking the same thing.... XD