Manga with older lady as the romantic interest?
>>341166
Onegai teacher
http://kissmanga.com/Manga/Onegai-Teacher
Unbalance x unbalance
Kono Onee-san wa Fiction Desu
http://kissmanga.com/Manga/Kono-Oneesan-wa-Fiction-desu
>>341166
Otoyomegatari
Sensei Lock-on!
>>341226
S T O P
>>341229
no siree its not stoppin. Kid's manlier than most harem MC, and unlike Jap dense harem MC he actually can make a harem by the law of his land if he wants to.
>>341166
Kawaii Joushi wo Komarasetai is pretty okay, but they're both adults so the age gap is not huge or anything (i *think* she's still the older one though?)
Thank you all for these wonderful recs