I thought so too! If he hasn't done this with anyone before where did he get the idea? Why is his father so quick to support? Maybe he learned this as a love language at a young age? Childhood trauma? (||||| โ,โ)
Creator's note said that there will be spoilers. Am i right to assume that it meant spoilers to side stories of Sohan and Sihwa exploring, and most importantly, Gabin and Sachan TENTACLE PORN (ใโงโโฆ)ใ
I'd like to think that he's Denji in a parallel universe