Arterial of Origins:Walkthrough Full

Recommendations about walkthrough and heroines "sequence".
Of course, ideally you should choose heroine which you like, but if you're aiming for efficiency, I'd suggest you to go as follows:

1. Angels story, choose Kazanami Madoka. Human's route has some friendship events with her, but not enough to allow you to choose her as "Partner", and that is our aim. She has an interesting story, but that's not the main reason. Main reason is her skill "Hard Worker", which will increase amount of EXP gained by all party members, by +50/75/100 XP, depending on skill level, no matter how pathetic your enemy actually was. Her FA isn't among best, so you probably would like to switch partner before important fights, but when fighting regular enemies - use Madoka. Her elder cards ain't bad, either.

2. Humans story, choose Kashiwagi Narumi. Simply because her cards are among best, low and high level regardless, especially her SR-5 and EU-6 cards. This time, choose Humans story, to get second part of Dreamland's key and almost all remaining game characters will join you, so you will be able to level them all up. Don't forget to complete AP01 events.

3. Angels story, don't choose anyone. That will lead you to Mehisha route, and her very nice EU-6 card. Also, complete Dream State dungeon during this walkthrough, you'll get both remaining characters, as well as Atori's 'pseudo-ending', which still counts as normal heroine ending, as such you'll get two heroine endings in one go.

4. Now it's time for Devils story and Sina Sayane. Efficiency-wise, Devils story is least useful, but Sayane has some cards which have specific uses, so get her. Don't forget to confirm her route in chapter 7 - unlike other stories, this one can have no heroine ending at all.

5 Now choose whatever you like, just remember that Devils story has only two possible heroine endings - Sayane and Akari (and no path-exclusive EX content), so, again, efficiency-wise, there's no sense to play Devils story more than twice, at least until you get all nine possible heroines endings.

Senzaki Mirai
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No.
! scope="col" style="text-align: center;"|Title ! scope="col" style="text-align: center;"|Location ! scope="col" style="text-align: center;"|Other Chapter 6 / Confirms Route
 * 1
 * 美來との時間を作ろう
 * Home
 * Up to Chap 2
 * 2
 * 美來とデートしよう
 * Shopping Mall
 * Up to Chap 2
 * 3
 * 美來と里帰りをしよう
 * Up to Chap 3
 * 4
 * 美來に妹ズの思い出を聞こう
 * Up to Chap 3
 * 5
 * 美來の体調が心配だ……
 * Up to Chap 5
 * 6
 * 美來との秘密の関係
 * Up to Chap 7
 * 7
 * 美來と探索に行こうⅠ
 * Shopping Mall East
 * Up to Chap 7
 * 8
 * そろそろ必要か……Ⅰ
 * West MHI Island
 * Up to Chap 7
 * 9
 * 美來と僕は……兄妹で……
 * Up to Chap 7
 * 10
 * 美來と探索に行こうⅡ
 * 東蒼川地区
 * Up to Chap 7
 * 11
 * 美來と探索に行こうⅢ
 * Shopping Mall
 * Up to Chap 7
 * 12
 * それでも僕達は兄妹だ
 * Up to Chap 7
 * 13
 * そろそろ必要か……Ⅱ
 * West MHI Island
 * Up to Chap 7
 * 14
 * 兄として決断を……
 * 東蒼川地区
 * Up to Chap 7
 * 11
 * 美來と探索に行こうⅢ
 * Shopping Mall
 * Up to Chap 7
 * 12
 * それでも僕達は兄妹だ
 * Up to Chap 7
 * 13
 * そろそろ必要か……Ⅱ
 * West MHI Island
 * Up to Chap 7
 * 14
 * 兄として決断を……
 * West MHI Island
 * Up to Chap 7
 * 14
 * 兄として決断を……
 * 兄として決断を……
 * 僕と美來は兄妹だ
 * Failed
 * }
 * Failed
 * }
 * }

Sina Sayane
You will automatically complete this route if you are on the devil route and did not choose Akari.

Mehisha
You will enter this route if you do not choose anyone in Angel route
 * Mehisha does not have friendship event. Her route are confirm during a scene at the final chapter.