Ending Themes
10: "Uchuu Shinpi Boogie (宇宙神秘ブギ)" by Riinu (Strawberry Prince) [莉犬 (すとぷり)] (eps 47-51)
11: "YSP!" by King Cream Soda (キング・クリームソーダ) (eps 53-62)
1: "Umarekawattemo (生まれ変わっても)" by Kana Nozomihara (Kana Hanazawa) (eps 1)
2: "Y-Gakuen e Ikou Waiwai-hen (Y学園へ行こう ワイワイ編)" by Lon (ろん) (eps 2, 6, 11, 17, 22, 28, 33)
3: "Y-Gakuen e Ikou Shisou-hen (Y学園へ行こう 疾走編)" by 96neko (96猫) (eps 3, 7, 12, 18, 23, 29, 36)
4: "Y-Gakuen e Ikou Seishun Rock-hen (Y学園へ行こう 青春ロック編)" by α/Arukifakyun (+α/あるふぁきゅん。) (eps 4, 9, 13, 19, 26)
5: "Y-Gakuen e Ikou Gakuen Dotabata-hen (Y学園へ行こう 学園ドタバタ編)" by Riinu (Strawberry Prince) [莉犬 (すとぷり)] (eps 5, 10, 15, 21, 24, 30, 32)
6: "Return to Chikyuu (リターントゥ地球)" by Haruka Tomatsu (eps 8, 16, 25, 35, 38)
7: "Y Gakuen e Ikou 8bit-hen (Y学園へ行こう 8bit編)" by Soraru (eps 14, 20, 27, 31)
8: "Shinryaku Mashoujo Eruzemekia (侵略魔少女エルゼメキア)" by Eruzemekia (P Maru-sama.) [エルゼメキア (P丸様。)] (eps 34)
9: "Kiraboshi Kyouwakoku Kokka (キラボシ共和国国歌)" by Sona Yamamoto, Hana Kogane, Tamaki Kumata, Kenshin Kobayashi and Dazaifu Housewife Choir "ODEN" (eps 39-41)
