This drama benefices of several very cute and potentially promising actors.

However, this capital is ruined by several greedy production mistakes.
My initial enthusiasm vanished at about episode 5, but I watched it till the end.

The writing is dilettante: the story is based on a very rich and long manga.
Instead of making either a longer series (such that the actors can develop and
we may enjoy them for longer) or making a clever selection, the writer lumps
too much together, so much that the actors do not have the occasion to show
what they eventually could. The story rashes from one "kyun" moment to another.
There is zero opportunity for depth, very often there is no logic and
the acting is forced to be reduced to a minimum,
As a result, we get 10 episodes of 45 minutes each with 100% lumped clichees.

There is almost no camera work, sadly.

The director seemed to be focused only in product placement which is pushed
to hilarious limits (e.g. the clothes they were supposed to wear inside the sauna).
The whole gives the impression of a rushed, low cost, high profit production.

Unless you like these actors very much and you are fond of 100% clichees,
watching this drama is a loss if time.

This drama is worth about 25% of its watching time.