why my baby domeiki pop up from nowhere

Only god knows...

It was necessary...

The ending pics? What are they from

http://www.mangago.zone/read-manga/saezuru_tori_wa_habatakanai/

Here's the link to the manga from page 9 and 11 (it's the doumeki guy we're on about) but I honestly don't know the tattoo guy from page 10 but he kinda looks like it's done by the auther of Paid and Peach Love
http://www.mangago.zone/read-manga/saezuru_tori_wa_habatakanai/

Thanks much!!