Wit's manga / #yandere seme(2)

Our poor sweet uke is fired and kicked out of his apartment on his 20th birthday only to discover his brother in law (sister's husbands' brother) waiting for him and offers to let him stay over. The offer seems premeditated as the brother in law has waited 10 years to make the uke his wife...

A wedding planner goes to meet a new client only to find out it's a man who's in love with him. He's drugged and put in a wedding dress where the seme finally confesses to him. Don't know how a yandere seme can be so cute and puppy-dog like