Welcome to New Year! (Patreon)

...Chief Instructor Eri Hayasui, the model of Marrea Scuba's spring ad campaign, readies herself for a new round of underwater photoshoot while her "pupils" look on. It's 30m plus deep, and the group has been down for three or four minutes now excluding the dive to the bottom boulder, but none of the group seems to notice that they have not breathed for quite some time.