Aka Abarenbou Kareshi

1) Rough ♥ Boyfriend (first part)
2) How? ♥ Boyfriend (second part)
2.5) It Is Difficult to Understand! ♥ Boyfriend (extra)

Naoto is Hajime's childhood friend. Naoto may look cute but then again, his attitude gets to everyone's nerves. Even though Naoto's like that, Hajime still has his eyes on him. But, the problem is, Naoto hates homosexuals, so much that he wishes they will become extinct and rot in hell!!

3) All About My Brother
3.5) All About My Big Brother (extra)

Shinji has always loved his younger brother, Haruki more than any older brother should. Yet when he receives an unexpected warning letter demanding payment on a delinquent loan, he is left speechless. With everything Haruki could ever ask for, provided by loving parents, he demands to know what it could be that would cause Haruki to be so greedy and so irresponsible. Can Shinji really handle the truth behind Haruki's unusually selfish actions? or will he give up on Haruki all together?

4) Piano Lesson
5) Piano Lesson 2
5.5) Piano Lesson Variation (extra)

After his parents divorce, Hara Shuuji left Tokyo to live with his mother and attend the local school. With hopes of starting a new and peaceful school life Shuuji feels at ease when his first day starts out well. That is until a problem arises, a problem named Yoshie Kennichi, who carries the name of a "delinquent" with pride. Shuuji's first impression of Yoshie isn't good, but what's worse, is that his ideals for a peaceful school life are ruined when Yoshie suddenly recognizes him! Shuuji, a new student, has no idea how Yoshie can possible know him and frantically wonders, what in the world is going on!?