Onee-san Sensei wa Danshikousei ni Ezuke Shitai.

Would you like to be spoiled rotten by an overprotective teacher? Ryouta Umihara is feared as an "intellectual-type yakuza" at school. But even he can't oppose the two great goddesses—Meru Kishikawa, the physical education teacher who is known as the "female knight", and Chisei Moriyama, the school nurse who is revered as the "goddess". While it seems that Ryouta is no match for the two great goddesses, the truth is that they take great care of him, preparing homemade lunches for him and nursing him during his sleep! A sweet romantic comedy about doting teachers that is the envy of everyone. (Source: Kadokawa, translated)