Cobalt Plus: Mikami and Mitsuki (Patreon)

From the literary talent of aquaphile writer/illustrator Umineko....Mikami, owner of the dving club that bears her name, comes to the rescue of China girl Mikami in her self-confinement. 

https://8159.teacup.com/dolphin/bbs/730

Requester:  https://www.patreon.com/user/creators?u=2801550