Dame na Yatsu Hodo Kawaii
Chapter 1: useless freeloader was passed down from a friend until get used to his presence. Chapter 2: a guy with 2 friends who have mutual but secret feeling for each other but not yet conveyed until it bloomed and the guy witnessing all these also want to have romance like that. Chapter 3: omiai partner runaway and the female's brother runaway, met someone who's also running away and turns out to be the male omiai partner of his sister. Chapters 4-5: kohai met a senpai(former student council) working as a cosplaying waiter in a cafe, he became curious, got to know the senpai then become an item, but the senpai suddenly breaks up with him without any explanation and nowhere to be found until 3 years later the senpai met an accident and got memory displacement to the time they're still dating. {great plot potential but many missing infos and emotion, doesn't execute well} Chapter 5.5: story 1 extra
Kataomoi x Kataomoi
Chapters 1-3.5: highschool student befriend a classmate to get close to the sister but the classmate thought that he's the romantic interest, shocked when he was just being used but he confessed and slowly they become an item. Chapter 4-5: group of 4 university students, 2 are a pair, 1 of them is messing/ teasing the one they like.
Koori Ga Tokeru No O Matteru