"Death and Honor, Chapter 3"
Matabe and Ryoko approach our band of stranded heroes, and Matabe negotiates with Usagi. They come to an agreement, that a duel to the death will decide the fate of the Prince. Matabe, of course, plans treachery, and as the duel proceeds, Ryoko the psychic, lures the young Prince aside and reads the secrets from his mind. Before the duel concludes, Ryoko has all she needs, and takes the shuttle back to the Kajitori ship, and orders that planetoid be destroyed. Before she can transmit the information to Lord Niiro, the Mino fleet of rescuers arrive and destroy the Kajitori ship. Usagi slays Matabe. Later, at the Mino Clan's homeworld, everyone prepares for the wedding of Prince Kiyoshi and Princess Masayo, and Usagi is bittersweet, as he has fallen in love with her. Then, he learns that the woman to whom he is endeared is not the Princess, but in reality, her bodyguard, Tomoe. The ruse was perpetuated for the safeguarding of the Princess, and now Usagi is free to bestow his affection.
The story is continued in Space Usagi volume 2 (1993).