Here is the full list of all 131 Love Esquire - there are RPG/Dating Sim/Visual Novel achievements.
Get Kamala's romance ending
Finish reading all scenes of Kamala's fourth arc in one playthrough
Take Kamala on a Fertility Day date
Choose Kamala for Lady of the Lake
Give Kamala the legendary item, Ocarina of Love
Unlock all of Vel's special scenes in one playthrough
Get Vel's romance ending
Finish reading all scenes of Vel's fourth arc in one playthrough
Finish reading all scenes of Vel's third arc in one playthrough
Celebrate Vel's birthday
Finish reading all scenes of Kamala's second arc in one playthrough
Choose Vel for Lady of the Lake
Give Kamala the rare item, Philosopher Stone
Give Giselle the rare item, Philosopher Stone
Give Vel the rare item, Philosopher Stone
Give Beatrice the rare item, Philosopher Stone
Finish reading all scenes of Beatrice's second arc in one playthrough
Let the lustpocalypse, begin!
Obtain the rare item: Philosopher's Stone
Give Amy the rare item, Philosopher Stone
Give Kamala the rare item, Firebird Feather
Give Vel the rare item, Firebird Feather
Give Amy the rare item, Firebird Feather
Give Beatrice the rare item, Firebird Feather
Give Vel the legendary item, Ocarina of Love
Get Amy's romance ending
Finish reading all scenes of Amy's fourth arc in one playthrough
Beat the game in three months. Whoa! That speed!
Finish reading all scenes of Amy's third arc in one playthrough
Finish reading all scenes of Vel's second arc in one playthrough
Choose Amy for Lady of the Lake
Give Vel the rare item, Lady of the Lake Fish
Maximize your strength (normal mode)
Celebrate Kamala's birthday
Earn at least 15000 gold (net) in one playthrough from campaigning (normal mode)
Maximize your charisma (normal mode)
Give Giselle the rare item, Lady of the Lake Fish
Give Beatrice the rare item, Lady of the Lake Fish
Give Kamala the rare item, Lady of the Lake Fish
Give Amy the rare item, Lady of the Lake Fish
Obtain the rare item: Lady of the Lake Fish
Finish reading all scenes of Beatrice's first arc in one playthrough
Finish reading all scenes of Kamala's first arc in one playthrough
Celebrate Amy's birthday
Finish reading all scenes of Vel's first arc in one playthrough
Maximize your intelligence (normal mode)
Get Giselle's romance ending
We won! Take that, Gegners!
Finish reading all scenes of Giselle's fourth arc in one playthrough
Give Giselle the legendary item, Ocarina of Love
Give Amy the legendary item, Ocarina of Love
Find out Boss's real name
Hey, listen! You've obtained the Ocarina of Love!
Finish the whole campaign in normal mode
Deal 200 damage to one monster in one attack (normal mode)
Meet Varetear
Give Giselle the rare item, Firebird Feather
Unleashed ultimate technique: Limit Break Loot
Unleashed ultimate technique: Limit Break Taunt
Loot 10000 gold in 1 turn (normal mode)
Defeat Varetear in campaign normal mode
Finish reading all scenes of Giselle's third arc in one playthrough
Take Giselle on a Fertility Day date
Unleashed ultimate technique: Limit Break Cheer
Celebrate Giselle's birthday
Finish reading all scenes of Amy's second arc in one playthrough
Spend a total of 2000 gold at Serena's Shop in one playthrough
Use loot to remove an enemy barrier
Defeat the Vagabork in campaign normal mode
Choose Giselle for Lady of the Lake
Tsk, tsk! You made someone jealous...
Heal Hugh for 60 HP in 1 turn (normal mode)
Obtain the rare item: Firebird Feather
Unleashed ultimate technique: Limit Break Heal
Lose a campaign
Killed 69 monsters in one playthrough... Nice!
Perform well during one Hugh's monthly checks
Finish reading all scenes of Amy's first arc in one playthrough
Finish reading all scenes of Giselle's first arc in one playthrough
Use Cheer on just one monster. Talk about overkill.
Defeat the Masterinq in campaign normal mode
You met Serena. Magical!
You met Boss. Cheers!
You met Pamu. Moist!
You met Kamala! Her gems are bountiful!
You met Giselle! Check-up time!
You gave someone a gift! Sweet! Now just a hundred more to go.
Heal Hugh when he's at max HP.
Start your first campaign
You met Vel! Don't call her a shrimp!
You met Beatrice! Now get back to work, peasant!
You met Amy! Hardest achievement to get!
Celebrate Beatrice's birthday
Get Amy's friendship ending
Get Amy's bad ending
Finish reading all scenes of Beatrice's third arc in one playthrough
Finish reading all scenes of Beatrice's fourth arc in one playthrough
Get Beatrice's romance ending
Get Beatrice's friendship ending
Get Beatrice's bad ending
Get Vel's friendship ending
Get Vel's bad ending
Finish reading all scenes of Giselle's second arc in one playthrough
Get Giselle's friendship ending
Get Giselle's bad ending
Finish reading all scenes of Kamala's third arc in one playthrough
Get Kamala's friendship ending
Get Kamala's bad ending
We lost the war. Well, that sucks...
Discover Bessy's secret
The fertility god saw his harem, and said that it was good.
Bros before hoes!
Trigger all of Serena's Special Scenes
Choose Beatrice for Lady of the Lake
Take Amy on a Fertility Day date
Take Beatrice on a Fertility Day date
Take Vel on a Fertility Day date
Unlock all of Amy's special scenes in one playthrough
Unlock all of Beatrice's special scenes in one playthrough
Unlock all of Giselle's special scenes in one playthrough
Unlock all of Kamala's special scenes in one playthrough
Get Hugh's bad ending
Obtain all the bad endings
Get Kamala's special "jealousy" scene with Beatrice
Unlock all the jealousy scenes of all the girls
Get the alternate version of Vel's birthday scene
Die 10 times in campaign in one playthrough
You looted... absolutely nothing!
Discover all hidden background animations
Milk Bessy 100 Times
Give Beatrice the legendary item, Ocarina of Love