If you're looking for manga similar to Sorenari ni Shinken Nan desu. Suki no Katei, you might like these titles.
Before transferring to New York, Nogi Shinjiro confessed to his crush, Aoyama Yuki, and was rejected for not being gay. Nogi came back from overseas after 2 years and is surprised go see that Aoyama has a kid now. What happened while he was away?
Graduate student Asahi suddenly has to care for his sister's five-year-old son, Masaki. Asahi barely has enough money to buy food for the two of them, but while in the supermarket, he bumps into Sora, his childhood friend. Although they haven't seen each other in six years, Sora offers to help out. He ends up moving in with Asahi and Masaki, and so begins their life of playing 'house'. However, Sora gets more and more touchy-feely as the days go by...... 'D-Don't! Masaki's in the next room......!!'
Rei is an AV actor, who finds life for boring. Things are to change though when he meets one of his classmates from middle school.
Yuu, an omega, has never really had it easy in life. He works hard day in and day out to provide for himself, and things finally started looking up when he met Keiya, an alpha. That is, until the unthinkable happened.
Suffering from unrequited love, Todou Tsukasa, also called "the moody pillar", walks into a barbershop. The cheerful barber not only gives him a sexy new haircut, but also advice on how to better carry himself. Tsukasa takes that advice to heart and goes on to fame and success. But he never forgets the barber who helped him when he needed it, and so, he keeps dropping by the barbershop. However, confidence didn't come along with the new haircut nor with the fame and success, and his feelings are neither conveyed nor understood well.
Santa and Rintarou are what can easily be described as an old married couple. They have been together for a long time and the series explores their day to day life.
Eiji and Koichi are so close that their coworkers think they're an item. They roomed together in high school and have been inseparable ever since. They went to the same college, joined the same company, and even rented the same apartment building after marriage. But then, both of their spouses file for divorce! As they drunkenly console each other, the conversation turns to Eiji's erectile dysfunction. Koichi pushes Eiji down, saying he will "compare it with what it was like 20 years ago." Before long, they're both engaging in mutual masturbation and making each other cum?! What will become of this 20-year-old mutual love affair...?
Kuranosuke realized through his insecurity, that the past was no longer buried and distant as he had thought. The fact that Kazushi, his first love, marrying and having a child was something that he could have never imagined. Kuranosuke did not consider the possibility of forming a family at that time, but to help the smart Wakaba, he eventually accepted Kazushi into his life again. However, Kuranosuke couldn't imagine that he meant much more to Kazushi than just as a mother to Wakaba.