Chapter titles:

Down to Earth (Down to Earth) - Down to Earth
FROM HERE TO INFINITY (FROM HERE TO INFINITY) - From Here to Infinity
SHORT

• Torifu~ido no Bi (とりふぃどの日) - The Day of the Triffids
• Wagahai wa Kamodearu (我輩はカモである) - Duck Soup
• Aka to Kuro (赤と黒) - The Red and the Black
• Oshiminaku Ai wa Ubau (惜しみなく愛は奪う) - Take Away Generously Love
• Chijin no Ai (痴人の愛) - Naomi
• Umi to Doku (海と毒薬) - The Sea and Poison
  Kanashiki Omocha (悲しき玩具) - Sad Toys
  Hitonigiri no Suna (一握りの砂) - A Handful of Sand
  Hōjō no Umi (豊饒の海) - The Sea of Fertility
  Tora no Me (虎の目) - The Eye of the Tiger
  SHORT
• Daregatame ni Kane wa Naru (誰が為に鐘は鳴る) - For Whom the Bell Tolls
• Uhauchūsennou (ウは宇宙船のウ) - R Is for Rocket
• Yasei no Shōmei (野性の証明) - Never Give Up
• Maguro (鮪) - Tuna
• Nikutai no Akuma (肉体の悪魔) - Le Diable au corps
• Soshitedaremoinakunatta (そして誰もいなくなった) - And Then There Were None
  Usonokawa (嘘の皮) - Skin of a Lie
  Me no Iro (目の色) - Eye Color

All of the titles refer to book/novel titles from other countires, mostly American/English, one from France, and one seems to be Japanese slang (Usonokawa).