This is so fucking adorable, and they even have the cliche where Blue is a playboy! Also Haru and Houjou are the best love rivals I've seen in a while, mainly because this is the best action/romance I've seen in a while
This is so wholesome it makes me wonder if this is really be the same author as “Mermaid Princess’s guilty meal” which has some preety fucked parts despite being a comedy.