In each memory there will be choices, picking the right ones will unlock the good endings. I’d recommend first to try without this guide, since you can always replay the game in VN Mode. On the other hand, unlocking the good ending is a pre-requisite to do the final battles against Mantras, so I suppose could be useful to avoid replaying all the card battles in the game 
Ace’s Memories
Lily’s Memories
Alpha’s Memories
Angel’s Memories
Aquaria’s Memories
Kraken’s Memories
Ash’s Memories
Magma’s Memories
Cyberia’s Memories
Mercurio’s Memories
Gambaron’s Memories
Iszeria’s Memories
Ace’s Memories
1) "Stops hitting the guy and helps him get up"
2) "I was a winner"
3) "I gave him food"
4) "I sent her away"
5) "... make Xavier pay."
2) "I was a winner"
3) "I gave him food"
4) "I sent her away"
5) "... make Xavier pay."
Lily’s Memories
1) "A sensual dance"
2) "She asks the guard to help the poor man"
3) "Speaks her mind"
4) "I break up with Bryan"
5) "I realized I had nothing to lose"
2) "She asks the guard to help the poor man"
3) "Speaks her mind"
4) "I break up with Bryan"
5) "I realized I had nothing to lose"
Alpha’s Memories
1) "That outbreak is concerning."
2) "So, family comes first as long as it’s your family?"
3) "You may have been a good doctor, but you were a careless dad."
4) "Side with Alpha"
5) "There were millions of lives at stake."
2) "So, family comes first as long as it’s your family?"
3) "You may have been a good doctor, but you were a careless dad."
4) "Side with Alpha"
5) "There were millions of lives at stake."
Angel’s Memories
1) "I can’t imagine going through that"
2) "So, that’s why you were captured."
3) "You were smart to use his feelings against him"
4) "You shouldn’t feel guilty."
5) "I’m here and I’ll fight for you."
2) "So, that’s why you were captured."
3) "You were smart to use his feelings against him"
4) "You shouldn’t feel guilty."
5) "I’m here and I’ll fight for you."
Aquaria’s Memories
1) "Appeal to friendship"
2) "You never know what's going to happen next"
3) "The island was the afterlife!"
4) "They were just superstitious"
5) "Something doesn't add up"
2) "You never know what's going to happen next"
3) "The island was the afterlife!"
4) "They were just superstitious"
5) "Something doesn't add up"
Kraken’s Memories
1) "That was sad"
2) "What happened between you and them?"
3) "You were ruthless."
4) "Your ship's crew was made up of all races"
5) "Did you have a change of heart?"
2) "What happened between you and them?"
3) "You were ruthless."
4) "Your ship's crew was made up of all races"
5) "Did you have a change of heart?"
Ash’s Memories
1) "You were a jerk!"
2) "Poor Eliza."
3) "Try to comfort him"
4) "You didn’t even try?"
5) "You loved your music more than your sister!"
2) "Poor Eliza."
3) "Try to comfort him"
4) "You didn’t even try?"
5) "You loved your music more than your sister!"
Magma’s Memories
1) "There are no rules."
2) "Why don’t you ever see yourself killing?"
3) "Talk about her bond with Aures"
4) "You shouldn’t have waited."
5) "Trust your wit, Mags."
2) "Why don’t you ever see yourself killing?"
3) "Talk about her bond with Aures"
4) "You shouldn’t have waited."
5) "Trust your wit, Mags."
Cyberia’s Memories
1) "I think they made the right call"
2) "Praise the AI"
3) "It was the only way"
4) "Emphatize with Dr. Fox"
5) "Try to comfort her"
2) "Praise the AI"
3) "It was the only way"
4) "Emphatize with Dr. Fox"
5) "Try to comfort her"
Mercurio’s Memories
1) "Comfort him"
2) "That was the wrong conclusion"
3) "You wasted your life"
4) "I let him destroy his room."
5) "Focus on the pilot's apology"
2) "That was the wrong conclusion"
3) "You wasted your life"
4) "I let him destroy his room."
5) "Focus on the pilot's apology"
Gambaron’s Memories
1) "Imagine being in the puma’s shoes."
2) "Talk about the puma"
3) "Trying to negotiate with them is pointless."
4) "The only way is to kill them all"
5) "Now all makes sense"
2) "Talk about the puma"
3) "Trying to negotiate with them is pointless."
4) "The only way is to kill them all"
5) "Now all makes sense"
Iszeria’s Memories
1) "It's not a happy tale"
2) "I am worried about you"
3) "Try to cheer her up"
4) "Hug her"
5) "I don't know..."
2) "I am worried about you"
3) "Try to cheer her up"
4) "Hug her"
5) "I don't know..."
