The first 20 chapters has been interesting. Smart FMCs that knew how to solve problems, unusual for a harem-type manga. Then... all is gone down.
MC is a wimp. MC is THE PROBLEM.
Curious how all the gyarus on this manga fall in love with the serious-boring looking guy. Kurokiya > Tadapi. Her paisen > Her teacher. Mashiro (probably) with tadapi's friend.