From Operation Boredom: Now that Misuzu and Masahiro are together, it seems like things couldn’t be going better for them. But can teachers and students have a normal relationship? The odds are against them...

Waking up through time travel, my girlfriend wants to eat me?! Without seasoning! Original Webcomic

From Yen Press: Michiru Kita’s a weak-spirited girl who has a hard time saying what’s on her mind. One day, she notices mysterious, ring-like markings around the necks of two of her classmates, Chika Akatsuki...

1-3. Though I'd Always Loved You When Saki was in elementary school, she was dumped without notice by Chikage who was eight years her senior. She was extremely shocked because she believed that he would be...

Tsugumi, age 16, is secretly married to her class teacher, Takuto. Her rivals appear one after another, and she has to struggle tiding over love crises.

From StarryHeaven: A short shoujo story about a girl who wants to continue the family tradition of her family…that is, get married at 16 and have a girl child at 17! A very crazy story about a very crazy girl...