Responses
I could ' find a manga with those characters so it's probably just an illustration. The artist is Masumoto Temari however the illustration is quite old so her style has probably changed by now. Yous should still check out her other stories nevertheless.
anyone know what manga this is?
http://www.mangago.zone/read-manga/jadou_tenmou_yatan/an/jadou-tenmou-yatan-chapter-3.html/4/