Atashi wa Sore wo Gaman Dekinai

1) Atashi wa Sore wo Gaman Dekinai
A very ordinary office lady named Mahiro Yano becomes a plaything to her former crush Kyouichi. The married man fools around with her, exhausting her mentally. Still, she can't find a way out of this love fix.

2) More Tender Than Commanded
Ayumi wakes up after a car accident with no memory. Alone in the world she clings to the only person that she has - the mysterious Tsukasa Miura. Living in his apartment, spending her days with him, she comes to care for kind professor, but when her memory returns...

3) Come to My House!
Recently orphaned university student Riho Akiyama has no place to go and moves in with her father's old friend and his three handsome sons. Becoming their housekeeper in exchange for school fees seems like a great deal, but the middle son's unexplained animosity is hard to bear.
(There's a Christmas Special in Sekai wa Bokura no Tameni!)

4) Nametokya Naorimasu!
Nana Hasegawa is a nurse who's learned the hard way that romances with patients are doomed! So when mysterious patient Himura pursues her, she's not interested. But the mystery of his identity is intriguing, and following her curiosity gets her right where Himura wants her!
(There's a sequel in Koisuru Heart de Taihoshite)