It's 23 chapters of a relationship that's over a year long, don't think it requires any more romance than what we got to build up to their first time. Most manga would have them going at it less than a month after agreeing to date with a lot less build up.
They have been dating for a year and are finally alone in a room that has zero chance of being interrupted by family, it's only natural what would happen.
last edited at Apr 2, 2017 11:08PM