Open adult shop:
- Get アメジスト (amethyst) for セレブなマール (left girl in accessory shop). IIRC, someone mentioned getting it at floor 50.
- Talk to her again after that, accept quest getting 桃色の小箱 (Pink box) from adult shop (need rank 3).
Get アンダースパイス (for weapon smith 100-point quest):
- Push the boulder on floor 45 (need 130+ attack).
- Save the succubus.
- After that she will appear at your home, upper floor. When she has recovered (after a while?), you will get it.
アレクシア (green mage girl):
- Get both Alexia and Alex (alchemy shop owner, green too) to 100 points.
- When you enter alchemy shop, there will be event.
+ Give オラクルベリー (oracle berry) to Alex for friendship route.
+ Give it to doctor for rape route.
* At 400 points, visit the save point room in the dungeon.
エルニカ (priestess):
- Get her to 100 points and hear her talk about debt.
+ Get the 借用書 (IOU) within the time limit for friendship route.
+ Let the time limit passes for rape route.
* At 400 points, get the 銀の聖杯 (silver holy grail) for ヴィクター (the priest) (bought from adventurer at weapon shop).
メリル (girl rescued from ship with 20000)
- From day 15, get quest 隣人の怪音 from トムソン (residence area southeast house).
- At night, go to house next door, check bottom left box.
- After that, she will move to your house, upper floor. Get her to 100 points for event
+ Win against セシリア
+ Lose against セシリア 3 times
* At 400 points, get 30 ゼリー (jelly?) at ゼリーランド (jelly land) for guy at adult shop.
イヴィロット (white hair exhibitionist girl at pub)
- Capture ソフィアム and get map ボスのアジト.
- Get ドロシー (white girl in big house) to translate 悠久回廊, trigger event escaping from prison.
+ Escape WITHOUT defeating boss
+ Escape after defeating boss
* At 100 points, she will talk about employment. After that talk with ソニア at the pub toilet and she will start working as a prostitute (you have to do it once yourself too).
カイツ (the only male adventurer)
- Defeat boss at floor 60 and give the book to the major (white girl in big house).
- If you haven't get the guy to 50 points and receive タフネスリングⅠ (tough ring I), there will be an event with her (reversed NTR?).