1-4 okada loves to bully: sadistic seme~ megane uke~ reunion~ tsundere seme~ doctor/scientist~ flashback/time skip 5-6 the man who got dumped, tomoyuki: break up~ affair/cheating~ unrequited love~ substitute lover sequel about tomoyuki: http://www.mangago.me/read-manga/asanaga_fuugetsu_shodouka_desu/bt/v01/c005/pg-1/
Ijimekko No Okada-kun