2 Kaime no Hajimete no Koi - KUMAGAI Kyoko

2 Kaime no Hajimete no Koi
Kyoko Kuamgai
2010

You wont blame girls with maiden heart when it comes to their urequited love. This girl will do everything for her long time crush who became her private teacher. Her Doki Doki starts again...

From Chibi Manga:
5 years ago, Shin was Yumika's private tutor. Now this Shin-kun comes to Yumika's high school as a teacher trainee! But their love from 5 years ago will most probably start to bloom again?!

From Midnight Scans:
Yumika’s first love was her tutor Shin. As she hope to meet Shin once again, which really happens, how will Yumika proceed on to confess to Shin about her feelings…

1/3 no Kareshi - SHIMAKI Ako

1/3 no Kareshi
Ako Shimako
Flower Comics, 2007

Included from Suki ni Naru Made Mattenai Manga

Fukada Rei is a cute but up-tight third year high school student, one of the only girls her age without a boyfriend. One day, someone stops her while she was walking to class and asks to take her picture. Rei is confused, but says yes. He takes the picture, and when Rei asks why he tells her her underwear is completely showing. He says he'll delete it later, but only if they meet again at the same place at lunch. Afraid that he'll show it to her class mates, Rei agrees, and every day afterward she meets him for lunch. But what will Rei do when he confesses to her–and she realizes she loves him, too?

Akahime Ranshin - YAMAMOTO Nabuyo

Title: Akahime Ranshin
Author: Nobuyo Yamamoto

Akagi Erika is a classical literature teacher at a high school. One day, she scolds a male student, Usami Rento, for wearing perfume to school. However, she later finds out that the sweet scent isn’t from perfume but from incense that’s soaked into the kimono he wears, for Usami Rento is actually a famous kabuki actor playing female roles. Erika watches a performance of Usami’s out of curiosity, and finds herself gradually drawn to this strange student.