It started off relatively well. It was cute and fluffy with a dash of unrequited love in it and then suddenly the uke got drugged and kidnapped. Don't get me wrong, this isn't the first time I've read a manga with a Yandere/crazy character before. I've read a lot of BL with similar plots but this one didn't seem to hit the right note at all. I've never been a huge fan of Yandere trope to begin with but I read stories that have them once in a while because I have found some decent ones, unfortunately this manga just wasn't one of them. However, just to add something positive, the artstyle is good and I'm sure the mangaka worked hard on this as well as the scanlators so I don't want to leave a hateful comment.
I just wanna give my honest opinion because I wanna remind myself that I don't want to reread this. But hey! You might like it. I don't know. Everybody has different preferences after all.
Kawaii Senpai no Kaigoroshikata