1-3) Papa, I Love You
The businessman Mayama Kaoru's life changes drastically when his two nephews show up on his doorstep. Keigo (16) and Akio (5) were abandoned by their father and driven out of their apartment. Despite the fact Kaoru has had no contact with their family, he's too kind-hearted to say no and takes them in. Soon the three of them start leading a warm, happy family life. However, Keigo suddenly kisses him one day. Was it a sign of family affection or something more?
4-5) True Love at Prep School!?
Minagawa-sensei suddenly finds a different person in his class; not a transfer student; not a new student, instead, a man who seems like he should already be out of university! Out of curiosity and annoyance, he has a look at this 'new' student. But over a period of time with him, something seems strange... why is he constantly picturing him with flowers...

Sequel: Baby I Love You
(https://bato.to/series/5943/baby-i-love-you)