Boku wa Kimi no Iinari
Senpai fell for his kouhai which was straight and have no intention to do it with him. but he didn't avoid him like his childhood friend did when he confirmed his feelings. the seme slowly fell for him as he is submissive to whatever he says.
Koi Ni Nare!
uke was looking at gay dating sites until his roommate saw his phone and looked inside to see that. his roommate then offered to introduce him guys through blind date. and he agreed but it was the dorm supervisor which he disliked showed up. the sensei only showed up for the first time to referrals because he heard that the other person had problems with his sexual orientation. his roommate was straight but a little suggestive of liking the uke too.
Houkago no Love Call
1: teacher x student's father who is a yakuza. the yakuza son seems to like sensei too. his son forced kiss on sensei and seme saw but confessed about their feelings. extra is his son hiding in the closet while searching for his phone and his father knew he was inside but purposely did it with sensei XD 2: childhood friends, guy looks like girl and is cute but secretly has super strong human powers. although his childhood friend always come to his sch to help him but he later found out about the secret. 3: childhood friends, possessive guy who always listens to his friend. his friend treats him like a dog but he still stays by his side and keeps him from running away from him. since his friend was always forceful and wanted to leave him. 4: soccer club friends. uke injured his leg and couldn't participate in the competition. when playing the game of the king, he had to kiss his friend, which was seme's first kiss and that made seme came to realize that his feelings for him is not only admiration but also love.
Kyoushi No Junjou Seito No Yokubou