The Hero and the Petty Thief

1. Eiyuu to Koso Doro (英雄とコソ泥, The Hero And The Petty Thief) 1
2. Eiyuu to Koso Doro (英雄とコソ泥, The Hero And The Petty Thief) 2
   Isaac, an injured retired Air Force pilot, was once called the "Nobleman of the Skies" due to his brilliant military service. Upon returning home, he meets a boy named Lenny who has broken into his home while it was abandoned. Isaac, knowing the boy is a war orphan, decides to take him in. Lenny, who is initially rebellious, gradually warms up to Isaac. Life is going smoothly for the pair... Until a bounty for Lenny was posted around town, accusing him of murder.
3. Bokutachi wa Koushite Hanshokushiteiru (俺たちはこうして繁殖している, This Is How We Breed)
4. Aishikata wo Mitsuketa yo (愛し方を見つけたよ, I've Found A Way To Love)

(Source: Gentosha, translated)