Soko Ni Suwaru Na
Chapters 1-4: a kohai who was abandoned by his senpai lover to be with a girlfriend but the senpai asked someone to be new roommate of kohai who can't leave the kohai alone until feeling develops. Chapter 5: childhood friends who pretend to be lovers to protect their bullied classmate until highschool when things got awkward and needs to change that's when they realizes that they were in live with one another.
Nekrateholic
sequel - Lollipop Dragoon sequel - Kusari ni Kiss
Megane To Koi To Aoi Tori
Chapters 1-3: cool playboy look and his thick glasses childhood friend that wants to experience love but always gets bullied. Chapters 4-5: classmates & seatmates. Hot and cold temperatures, ikemen that looks cold and promiscuous. Chapter 5.5: extra of 2nd story
Hitorijime no Jouken
Chapters 1-2: A player who fell in love with co-worker who always takes care of him but something happened between them that makes things awkward until love reciprocated. Chapter 3: senpai host & kohai host who got promoted from helper but bullies the one he loves. Chapter 4-5: neighbors, the one have crush towards the other but not doing anything about it until the other open up chances for progress to happen.
Akari o Otoshita Ato de
Chapters 1-2: company president who fell in love with a kind tailor who let him shelter during a rainy day. Chapters 3-4: office worker who was in love with a younger guy who works in their family business was about to be married to the sister, later he refused the marriage proposal and ask the office worker to live with him & their life together. Chapter 5: a son of a celebrity kohai who had a crush on a senpai were both stranded in a snowy mountain. Chapter 6: parents died at young age, a college student works multiple part-time jobs helps a kitten, met a guy who wants to have kitten but can't have, until they became close and developed feelings.
Tamayura (yuki Ringo)
Kawaii Anata ni Amai Wana
Chapter 1: a former student & adopted father(uncle) of a student from chapters 2-2.3 who like sweets. Chapters 2-2.3: a school doctor and a frail handsome student "prince" who had sad past but gotten over it, now shows his affection towards the unknowingly lonely, school doctor.
Ai Wa Sekai O Sukuu No Ka!?