Koi ga Bokura wo Yurusu Hani
A story about two college friends with girlfriends, who fall in love and engage in a relationship which is then scrutinized by all involved. For those unfamiliar with Motoni Modoru's work, it gets screwed up really fast(expect twists you don't see coming), but this one's one of her most readable mangas.
Hanayome Wa Oku-san
Oku met Nana again after they slept together long ago. In the past, Nana is a The Prince of Good Fortune, there was a jinx that any woman who slept with him would be come lucky and fulfil their wish. So, Oku asked Nana to try sleep with him if he can also make guys lucky as well. However, Oku's purpose wasn't about luck but his secret feeling.
So Wa Reirei No Yukini Mai
Set in the Taisho era (1912-1926). Two years after the famous author Uro vanishes, his last manuscript is found at the house of competing author Otogai, who seems obsessed with (or is it possessed by?) the dead man, even as Otogai's garden seems haunted by Uro
Obscura
Although they were long-time lovers, Jeonghan suddenly decided to one-sidedly break up with Kangwoo. Kangwoo wants to reconcile but Jeonghan remains unrelenting in his decision. Meanwhile, Gyutae, the owner of the studio where the two work, is shrouded with bad reputation, yet he appears to be strangely lenient with Jeonghan... It seems the two have been suspiciously close lately. But... can Jeonghan really be happy?
Hand Which